<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.writ.com/role/AccountingPolicies" xlink:href="wre-20151231.xsd#AccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/AccountingPoliciesAcquiredFiniteLivedIntangibleAssetsDetails" xlink:href="wre-20151231.xsd#AccountingPoliciesAcquiredFiniteLivedIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/AccountingPoliciesAmortizationOfLeasedAssetsAcquiredDetails" xlink:href="wre-20151231.xsd#AccountingPoliciesAmortizationOfLeasedAssetsAcquiredDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/AccountingPoliciesAmortizationOfLeasedAssetsDetails" xlink:href="wre-20151231.xsd#AccountingPoliciesAmortizationOfLeasedAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/AccountingPoliciesFairValueOfInPlaceLeasesDetails" xlink:href="wre-20151231.xsd#AccountingPoliciesFairValueOfInPlaceLeasesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/AccountingPoliciesPolicy" xlink:href="wre-20151231.xsd#AccountingPoliciesPolicy" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/AccountingPoliciesRealEstateAndDepreciationDetails" xlink:href="wre-20151231.xsd#AccountingPoliciesRealEstateAndDepreciationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/AccountingPoliciesReclassificationOfDebtIssuanceDetails" xlink:href="wre-20151231.xsd#AccountingPoliciesReclassificationOfDebtIssuanceDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/AccountingPoliciesRevenueRecognitionAndAccountsReceivableAndAllowanceDetails" xlink:href="wre-20151231.xsd#AccountingPoliciesRevenueRecognitionAndAccountsReceivableAndAllowanceDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/AccountingPoliciesTables" xlink:href="wre-20151231.xsd#AccountingPoliciesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/CommitmentsAndContingencies" xlink:href="wre-20151231.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/CommitmentsAndContingenciesDetails" xlink:href="wre-20151231.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/ConsolidatedBalanceSheets" xlink:href="wre-20151231.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="wre-20151231.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="wre-20151231.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/ConsolidatedStatementsOfIncome" xlink:href="wre-20151231.xsd#ConsolidatedStatementsOfIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/ConsolidatedStatementsOfShareholdersEquity" xlink:href="wre-20151231.xsd#ConsolidatedStatementsOfShareholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/DeferredCosts" xlink:href="wre-20151231.xsd#DeferredCosts" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/DeferredCostsScheduleOfAmortizationAndWriteOffsOfDeferredFinancingLeasingAndLeasingIncentiveCostsDetails" xlink:href="wre-20151231.xsd#DeferredCostsScheduleOfAmortizationAndWriteOffsOfDeferredFinancingLeasingAndLeasingIncentiveCostsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/DeferredCostsScheduleOfPrepaidExpensesAndOtherAssetsDetails" xlink:href="wre-20151231.xsd#DeferredCostsScheduleOfPrepaidExpensesAndOtherAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/DeferredCostsTables" xlink:href="wre-20151231.xsd#DeferredCostsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/DerivativeInstrumentsNarrativeDetails" xlink:href="wre-20151231.xsd#DerivativeInstrumentsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/DerivativeInstrumentsNotes" xlink:href="wre-20151231.xsd#DerivativeInstrumentsNotes" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/DerivativeInstrumentsScheduleOfDerivativesDetails" xlink:href="wre-20151231.xsd#DerivativeInstrumentsScheduleOfDerivativesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/DerivativeInstrumentsTables" xlink:href="wre-20151231.xsd#DerivativeInstrumentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/DocumentAndEntityInformation" xlink:href="wre-20151231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/EarningsPerCommonShare" xlink:href="wre-20151231.xsd#EarningsPerCommonShare" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/EarningsPerCommonShareComputationOfBasicAndDilutedEarningsPerShareDetails" xlink:href="wre-20151231.xsd#EarningsPerCommonShareComputationOfBasicAndDilutedEarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/EarningsPerCommonShareTables" xlink:href="wre-20151231.xsd#EarningsPerCommonShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/FairValueDisclosures" xlink:href="wre-20151231.xsd#FairValueDisclosures" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/FairValueDisclosuresFinancialAssetsAndLiabilitiesMeasuredAtFairValueDetails" xlink:href="wre-20151231.xsd#FairValueDisclosuresFinancialAssetsAndLiabilitiesMeasuredAtFairValueDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/FairValueDisclosuresFinancialAssetsAndLiabilitiesNotMeasuredAtFairValueDetails" xlink:href="wre-20151231.xsd#FairValueDisclosuresFinancialAssetsAndLiabilitiesNotMeasuredAtFairValueDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/FairValueDisclosuresTables" xlink:href="wre-20151231.xsd#FairValueDisclosuresTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/MortgageNotesPayable" xlink:href="wre-20151231.xsd#MortgageNotesPayable" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/MortgageNotesPayableDetails" xlink:href="wre-20151231.xsd#MortgageNotesPayableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/MortgageNotesPayableScheduledPrincipalPaymentsDetails" xlink:href="wre-20151231.xsd#MortgageNotesPayableScheduledPrincipalPaymentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/MortgageNotesPayableTables" xlink:href="wre-20151231.xsd#MortgageNotesPayableTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/NatureOfBusiness" xlink:href="wre-20151231.xsd#NatureOfBusiness" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/NatureOfBusinessDetails" xlink:href="wre-20151231.xsd#NatureOfBusinessDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/NatureOfBusinessTables" xlink:href="wre-20151231.xsd#NatureOfBusinessTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/NotesPayable" xlink:href="wre-20151231.xsd#NotesPayable" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/NotesPayableDetails" xlink:href="wre-20151231.xsd#NotesPayableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/NotesPayableMaturitiesOfNotesPayableDetails" xlink:href="wre-20151231.xsd#NotesPayableMaturitiesOfNotesPayableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/NotesPayableTables" xlink:href="wre-20151231.xsd#NotesPayableTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/OtherBenefitPlans" xlink:href="wre-20151231.xsd#OtherBenefitPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/OtherBenefitPlansDetails" xlink:href="wre-20151231.xsd#OtherBenefitPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/RealEstateInvestments" xlink:href="wre-20151231.xsd#RealEstateInvestments" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/RealEstateInvestmentsAcquistionsDetails" xlink:href="wre-20151231.xsd#RealEstateInvestmentsAcquistionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/RealEstateInvestmentsContinuingOperationsDetails" xlink:href="wre-20151231.xsd#RealEstateInvestmentsContinuingOperationsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/RealEstateInvestmentsNoncontrollingInterestsInSubsidiariesAndViesDetails" xlink:href="wre-20151231.xsd#RealEstateInvestmentsNoncontrollingInterestsInSubsidiariesAndViesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/RealEstateInvestmentsPropertiesSoldOrHeldForSaleDetails" xlink:href="wre-20151231.xsd#RealEstateInvestmentsPropertiesSoldOrHeldForSaleDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/RealEstateInvestmentsRealEstateImpairmentDetails" xlink:href="wre-20151231.xsd#RealEstateInvestmentsRealEstateImpairmentDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/RealEstateInvestmentsTables" xlink:href="wre-20151231.xsd#RealEstateInvestmentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/RentalsUnderOperatingLeases" xlink:href="wre-20151231.xsd#RentalsUnderOperatingLeases" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/RentalsUnderOperatingLeasesDetails" xlink:href="wre-20151231.xsd#RentalsUnderOperatingLeasesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/RentalsUnderOperatingLeasesTables" xlink:href="wre-20151231.xsd#RentalsUnderOperatingLeasesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/ScheduleIi" xlink:href="wre-20151231.xsd#ScheduleIi" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/ScheduleIiDetails" xlink:href="wre-20151231.xsd#ScheduleIiDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/ScheduleIii" xlink:href="wre-20151231.xsd#ScheduleIii" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/ScheduleIiiDetails" xlink:href="wre-20151231.xsd#ScheduleIiiDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/SegmentInformation" xlink:href="wre-20151231.xsd#SegmentInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/SegmentInformationDetails" xlink:href="wre-20151231.xsd#SegmentInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/SegmentInformationTables" xlink:href="wre-20151231.xsd#SegmentInformationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/SelectedQuarterlyFinancialDataUnaudited" xlink:href="wre-20151231.xsd#SelectedQuarterlyFinancialDataUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/SelectedQuarterlyFinancialDataUnauditedDetails" xlink:href="wre-20151231.xsd#SelectedQuarterlyFinancialDataUnauditedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/SelectedQuarterlyFinancialDataUnauditedTables" xlink:href="wre-20151231.xsd#SelectedQuarterlyFinancialDataUnauditedTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/ShareholdersEquity" xlink:href="wre-20151231.xsd#ShareholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/ShareholdersEquityDetails" xlink:href="wre-20151231.xsd#ShareholdersEquityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/StatementOfComprehensiveIncomeStatementOfComprehensiveIncome" xlink:href="wre-20151231.xsd#StatementOfComprehensiveIncomeStatementOfComprehensiveIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/StockBasedCompensation" xlink:href="wre-20151231.xsd#StockBasedCompensation" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/StockBasedCompensationNarrativeDetails" xlink:href="wre-20151231.xsd#StockBasedCompensationNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/StockBasedCompensationRestrictedAndUnrestrictedSharesWithMarketConditionsDetails" xlink:href="wre-20151231.xsd#StockBasedCompensationRestrictedAndUnrestrictedSharesWithMarketConditionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/StockBasedCompensationRestrictedShareAwardsDetails" xlink:href="wre-20151231.xsd#StockBasedCompensationRestrictedShareAwardsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/StockBasedCompensationTables" xlink:href="wre-20151231.xsd#StockBasedCompensationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/StockBasedCompensationValuationAssumptionsDetails" xlink:href="wre-20151231.xsd#StockBasedCompensationValuationAssumptionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/SummaryOfReInvestmentsDetails" xlink:href="wre-20151231.xsd#SummaryOfReInvestmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/SummaryOfReInvestmentsNotes" xlink:href="wre-20151231.xsd#SummaryOfReInvestmentsNotes" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/UnsecuredLinesOfCreditPayable" xlink:href="wre-20151231.xsd#UnsecuredLinesOfCreditPayable" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/UnsecuredLinesOfCreditPayableLinesOfCreditUnusedAndAvailableDetails" xlink:href="wre-20151231.xsd#UnsecuredLinesOfCreditPayableLinesOfCreditUnusedAndAvailableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/UnsecuredLinesOfCreditPayableRepaymentsAndBorrowingsOnUnsecuredLinesOfCreditDetails" xlink:href="wre-20151231.xsd#UnsecuredLinesOfCreditPayableRepaymentsAndBorrowingsOnUnsecuredLinesOfCreditDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.writ.com/role/UnsecuredLinesOfCreditPayableTables" xlink:href="wre-20151231.xsd#UnsecuredLinesOfCreditPayableTables" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <definitionLink xlink:role="http://www.writ.com/role/AccountingPolicies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/AccountingPoliciesAcquiredFiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_9D3E65D96706D4E6AB9B1516D7980C45" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_9D3E65D96706D4E6AB9B1516D7980C45" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_25756D0623079B5166771516D798DD42" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_9D3E65D96706D4E6AB9B1516D7980C45" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_25756D0623079B5166771516D798DD42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_EC3435AAF87E14C2E8B81516D799E5F5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_25756D0623079B5166771516D798DD42" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_EC3435AAF87E14C2E8B81516D799E5F5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_EC3435AAF87E14C2E8B81516D799E5F5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_25756D0623079B5166771516D798DD42" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_EC3435AAF87E14C2E8B81516D799E5F5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeasesAcquiredInPlaceMember" xlink:label="loc_us-gaap_LeasesAcquiredInPlaceMember_E9F84A4FFBF4E92214C31516D7999A2E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_EC3435AAF87E14C2E8B81516D799E5F5" xlink:to="loc_us-gaap_LeasesAcquiredInPlaceMember_E9F84A4FFBF4E92214C31516D7999A2E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_DB0F57E179748B2092801516D799555D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_DB0F57E179748B2092801516D799555D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_775BBBDB3AA7C87B4D891516D7992EDA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_775BBBDB3AA7C87B4D891516D7992EDA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_BB82C09140BE628F95AF1516D799AFE6" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_BB82C09140BE628F95AF1516D799AFE6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4A4CF356B919FA8D38E51516D79AE179" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4A4CF356B919FA8D38E51516D79AE179" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_6CBB50EB93AA6908D5B61516D79A335D" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_6CBB50EB93AA6908D5B61516D79A335D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_349E0A731458D682D7261516D79AE64C" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_349E0A731458D682D7261516D79AE64C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_096A1A76E28EAEA0E2871516D79A1A56" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_096A1A76E28EAEA0E2871516D79A1A56" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_699D55229B58A0905F671516D79AA523" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_699D55229B58A0905F671516D79AA523" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_4B5E415812B47A413AAB1516D79A1933" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_4B5E415812B47A413AAB1516D79A1933" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_AE4CEA75DF9920820CA71516D79AAC13" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_AE4CEA75DF9920820CA71516D79AAC13" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueNextTwelveMonths" xlink:label="loc_wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueNextTwelveMonths_CFE8E30752845DD8747D1516D79A7770" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueNextTwelveMonths_CFE8E30752845DD8747D1516D79A7770" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueYearTwo" xlink:label="loc_wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueYearTwo_E80C161F54D3806D2FC21516D79AE4EC" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueYearTwo_E80C161F54D3806D2FC21516D79AE4EC" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueYearThree" xlink:label="loc_wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueYearThree_FDE479A08A978BBCACF81516D79A07EC" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueYearThree_FDE479A08A978BBCACF81516D79A07EC" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueYearFour" xlink:label="loc_wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueYearFour_64F6042CDF37DAFBC2911516D79A7D4B" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueYearFour_64F6042CDF37DAFBC2911516D79A7D4B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueYearFive" xlink:label="loc_wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueYearFive_2B0DB8C70D274B196BC31516D79AE034" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_40B109ABF7A1A43A7F781516D79964D3" xlink:to="loc_wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenueYearFive_2B0DB8C70D274B196BC31516D79AE034" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/AccountingPoliciesAmortizationOfLeasedAssetsAcquiredDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3764C7FE758DB19B234519D689D5FA16" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_09B949138A2CC515D76F19D689D5F604" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3764C7FE758DB19B234519D689D5FA16" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_09B949138A2CC515D76F19D689D5F604" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_BC77C5BE340B4701DFC719D689D5B831" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_09B949138A2CC515D76F19D689D5F604" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_BC77C5BE340B4701DFC719D689D5B831" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9750FABDDDF002B51B3619D689D5F86D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_BC77C5BE340B4701DFC719D689D5B831" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9750FABDDDF002B51B3619D689D5F86D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9750FABDDDF002B51B3619D689D5F86D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_BC77C5BE340B4701DFC719D689D5B831" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9750FABDDDF002B51B3619D689D5F86D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeasesAcquiredInPlaceMember" xlink:label="loc_us-gaap_LeasesAcquiredInPlaceMember_345C0DB385472E279D7F19D689D5F5B5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9750FABDDDF002B51B3619D689D5F86D" xlink:to="loc_us-gaap_LeasesAcquiredInPlaceMember_345C0DB385472E279D7F19D689D5F5B5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfDeferredLeasingFees" xlink:label="loc_us-gaap_AmortizationOfDeferredLeasingFees_9C12C9D2F754B59AE62219D689D51CCF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3764C7FE758DB19B234519D689D5FA16" xlink:to="loc_us-gaap_AmortizationOfDeferredLeasingFees_9C12C9D2F754B59AE62219D689D51CCF" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_AmortizationofIntangibleAssetsIncludedinRevenue" xlink:label="loc_wre_AmortizationofIntangibleAssetsIncludedinRevenue_B769114DAFF3825186F419E14131ABF4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3764C7FE758DB19B234519D689D5FA16" xlink:to="loc_wre_AmortizationofIntangibleAssetsIncludedinRevenue_B769114DAFF3825186F419E14131ABF4" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenue" xlink:label="loc_wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenue_6F6E0AE1D7AAD53D615F19D689D54346" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3764C7FE758DB19B234519D689D5FA16" xlink:to="loc_wre_FiniteLivedIntangibleAssetsAmortizationExpenseNetofRevenue_6F6E0AE1D7AAD53D615F19D689D54346" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/AccountingPoliciesAmortizationOfLeasedAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems_F9E90F41B52BACF26D341516D79E5A67" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_C1B9E85486B63DC6E4F71516D79EEF54" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems_F9E90F41B52BACF26D341516D79E5A67" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_C1B9E85486B63DC6E4F71516D79EEF54" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="wre-20151231.xsd#wre_ComponentsOfFairValueOfInPlaceLeasesAxis" xlink:label="loc_wre_ComponentsOfFairValueOfInPlaceLeasesAxis_4DCA3AF3676F999CB1171516D79EB6DC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_C1B9E85486B63DC6E4F71516D79EEF54" xlink:to="loc_wre_ComponentsOfFairValueOfInPlaceLeasesAxis_4DCA3AF3676F999CB1171516D79EB6DC" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ComponentsOfFairValueOfInPlaceLeaseDomain" xlink:label="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_2CC1592DCC306ED481861516D79EC07F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_wre_ComponentsOfFairValueOfInPlaceLeasesAxis_4DCA3AF3676F999CB1171516D79EB6DC" xlink:to="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_2CC1592DCC306ED481861516D79EC07F_default" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ComponentsOfFairValueOfInPlaceLeaseDomain" xlink:label="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_2CC1592DCC306ED481861516D79EC07F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_wre_ComponentsOfFairValueOfInPlaceLeasesAxis_4DCA3AF3676F999CB1171516D79EB6DC" xlink:to="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_2CC1592DCC306ED481861516D79EC07F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeasesAcquiredInPlaceMember" xlink:label="loc_us-gaap_LeasesAcquiredInPlaceMember_46D3EE9AE5A973586ED01516D79E07A1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_2CC1592DCC306ED481861516D79EC07F" xlink:to="loc_us-gaap_LeasesAcquiredInPlaceMember_46D3EE9AE5A973586ED01516D79E07A1" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/AccountingPoliciesFairValueOfInPlaceLeasesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_82C1B6A71C0DD28A32991516D7AADAFC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_45CABA4B2509E5D213701516D7A859B7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_82C1B6A71C0DD28A32991516D7AADAFC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_45CABA4B2509E5D213701516D7A859B7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="wre-20151231.xsd#wre_ComponentsOfFairValueOfInPlaceLeasesAxis" xlink:label="loc_wre_ComponentsOfFairValueOfInPlaceLeasesAxis_F96EA0A309479205771B1516D7A9AD6B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_45CABA4B2509E5D213701516D7A859B7" xlink:to="loc_wre_ComponentsOfFairValueOfInPlaceLeasesAxis_F96EA0A309479205771B1516D7A9AD6B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ComponentsOfFairValueOfInPlaceLeaseDomain" xlink:label="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_99B2803185CBD43F21441516D7A9A7A4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_wre_ComponentsOfFairValueOfInPlaceLeasesAxis_F96EA0A309479205771B1516D7A9AD6B" xlink:to="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_99B2803185CBD43F21441516D7A9A7A4_default" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ComponentsOfFairValueOfInPlaceLeaseDomain" xlink:label="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_99B2803185CBD43F21441516D7A9A7A4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_wre_ComponentsOfFairValueOfInPlaceLeasesAxis_F96EA0A309479205771B1516D7A9AD6B" xlink:to="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_99B2803185CBD43F21441516D7A9A7A4" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TenantOriginationCostsMember" xlink:label="loc_wre_TenantOriginationCostsMember_E3CDD4FFF2322FEB08D81516D7A93EC1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_99B2803185CBD43F21441516D7A9A7A4" xlink:to="loc_wre_TenantOriginationCostsMember_E3CDD4FFF2322FEB08D81516D7A93EC1" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_LeasingCommissionsAbsorptionCostsMember" xlink:label="loc_wre_LeasingCommissionsAbsorptionCostsMember_4392CF82A50393BB5BA61516D7A90507" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_99B2803185CBD43F21441516D7A9A7A4" xlink:to="loc_wre_LeasingCommissionsAbsorptionCostsMember_4392CF82A50393BB5BA61516D7A90507" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NetLeaseIntangibleAssetsMember" xlink:label="loc_wre_NetLeaseIntangibleAssetsMember_FD33BFDA91FC86DA1F141516D7A93C47" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_99B2803185CBD43F21441516D7A9A7A4" xlink:to="loc_wre_NetLeaseIntangibleAssetsMember_FD33BFDA91FC86DA1F141516D7A93C47" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NetLeaseIntangibleLiabilitiesMember" xlink:label="loc_wre_NetLeaseIntangibleLiabilitiesMember_441336BF6937CCDB3B611516D7A90095" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_99B2803185CBD43F21441516D7A9A7A4" xlink:to="loc_wre_NetLeaseIntangibleLiabilitiesMember_441336BF6937CCDB3B611516D7A90095" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_LeasesAcquiredInPlaceBelowMarketGroundLeaseMember" xlink:label="loc_wre_LeasesAcquiredInPlaceBelowMarketGroundLeaseMember_DD6509BDD60688A1F5871516D7A9F1E1" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_ComponentsOfFairValueOfInPlaceLeaseDomain_99B2803185CBD43F21441516D7A9A7A4" xlink:to="loc_wre_LeasesAcquiredInPlaceBelowMarketGroundLeaseMember_DD6509BDD60688A1F5871516D7A9F1E1" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FiniteLivedIntangibleLiabilitiesNetLeaseGross" xlink:label="loc_wre_FiniteLivedIntangibleLiabilitiesNetLeaseGross_CA3C3E20F8228BB1FFEE1516D7AA01D6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_82C1B6A71C0DD28A32991516D7AADAFC" xlink:to="loc_wre_FiniteLivedIntangibleLiabilitiesNetLeaseGross_CA3C3E20F8228BB1FFEE1516D7AA01D6" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FiniteLivedIntangibleLiabilitiesNetLeaseAccumulatedAmortization" xlink:label="loc_wre_FiniteLivedIntangibleLiabilitiesNetLeaseAccumulatedAmortization_DAAD2F82427919317DB01516D7AAADB2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_82C1B6A71C0DD28A32991516D7AADAFC" xlink:to="loc_wre_FiniteLivedIntangibleLiabilitiesNetLeaseAccumulatedAmortization_DAAD2F82427919317DB01516D7AAADB2" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FiniteLivedIntangibleLiabilitiesNetLeaseNet" xlink:label="loc_wre_FiniteLivedIntangibleLiabilitiesNetLeaseNet_6A5ECBC7B5A054370A391516D7AA59F0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_82C1B6A71C0DD28A32991516D7AADAFC" xlink:to="loc_wre_FiniteLivedIntangibleLiabilitiesNetLeaseNet_6A5ECBC7B5A054370A391516D7AA59F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_354A90B8D8D2FE8911F91516D7AAF792" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_82C1B6A71C0DD28A32991516D7AADAFC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_354A90B8D8D2FE8911F91516D7AAF792" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_57876FFA2ED6AC3A0EE71516D7AA1390" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_82C1B6A71C0DD28A32991516D7AADAFC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_57876FFA2ED6AC3A0EE71516D7AA1390" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_04D8753AA760B09E73C81516D7ABB0A6" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_82C1B6A71C0DD28A32991516D7AADAFC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_04D8753AA760B09E73C81516D7ABB0A6" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/AccountingPoliciesPolicy" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/AccountingPoliciesRealEstateAndDepreciationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_CB427CAF2DFDB3CAAE1D1516D7B4C5EB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_687D805F9441294A1AD31516D7B3AC37" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_CB427CAF2DFDB3CAAE1D1516D7B4C5EB" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_687D805F9441294A1AD31516D7B3AC37" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_1CBC1DF5636E7DA4BD901516D7B38848" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_687D805F9441294A1AD31516D7B3AC37" xlink:to="loc_us-gaap_RangeAxis_1CBC1DF5636E7DA4BD901516D7B38848" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_57A03C696F9BEAB10DC81516D7B36052_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_1CBC1DF5636E7DA4BD901516D7B38848" xlink:to="loc_us-gaap_RangeMember_57A03C696F9BEAB10DC81516D7B36052_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_57A03C696F9BEAB10DC81516D7B36052" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_1CBC1DF5636E7DA4BD901516D7B38848" xlink:to="loc_us-gaap_RangeMember_57A03C696F9BEAB10DC81516D7B36052" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_75CB494A3D9F706EFA711516D7B459DD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_57A03C696F9BEAB10DC81516D7B36052" xlink:to="loc_us-gaap_MinimumMember_75CB494A3D9F706EFA711516D7B459DD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_0C6A4725453C2B0052A41516D7B4AD85" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_57A03C696F9BEAB10DC81516D7B36052" xlink:to="loc_us-gaap_MaximumMember_0C6A4725453C2B0052A41516D7B4AD85" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1E4BAEE8B8DE67FF47F11516D7B47D07" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_687D805F9441294A1AD31516D7B3AC37" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1E4BAEE8B8DE67FF47F11516D7B47D07" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1E4B840ED49E441157A51516D7B4D7A8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1E4BAEE8B8DE67FF47F11516D7B47D07" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1E4B840ED49E441157A51516D7B4D7A8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1E4B840ED49E441157A51516D7B4D7A8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1E4BAEE8B8DE67FF47F11516D7B47D07" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1E4B840ED49E441157A51516D7B4D7A8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BuildingMember" xlink:label="loc_us-gaap_BuildingMember_FB4C88D58BECC86604F01516D7B4A9C1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1E4B840ED49E441157A51516D7B4D7A8" xlink:to="loc_us-gaap_BuildingMember_FB4C88D58BECC86604F01516D7B4A9C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_03D85D8F330D8AB8EF231516D7B4566E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1E4B840ED49E441157A51516D7B4D7A8" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_03D85D8F330D8AB8EF231516D7B4566E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_6B8A121078AC702EAA841516D7B4E66A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_CB427CAF2DFDB3CAAE1D1516D7B4C5EB" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_6B8A121078AC702EAA841516D7B4E66A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_3026C2BA0774CC824E321516D7B4F810" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_CB427CAF2DFDB3CAAE1D1516D7B4C5EB" xlink:to="loc_us-gaap_Depreciation_3026C2BA0774CC824E321516D7B4F810" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestCostsIncurred" xlink:label="loc_us-gaap_InterestCostsIncurred_26ACFB405AF8083AA1751516D7B51046" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_CB427CAF2DFDB3CAAE1D1516D7B4C5EB" xlink:to="loc_us-gaap_InterestCostsIncurred_26ACFB405AF8083AA1751516D7B51046" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestCostsIncurredCapitalized" xlink:label="loc_us-gaap_InterestCostsIncurredCapitalized_D2FCE99DEBE21032BAD91516D7B5B8DF" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_CB427CAF2DFDB3CAAE1D1516D7B4C5EB" xlink:to="loc_us-gaap_InterestCostsIncurredCapitalized_D2FCE99DEBE21032BAD91516D7B5B8DF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_071C55C3C3BFEBB1FEB31516D7B5CE98" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_CB427CAF2DFDB3CAAE1D1516D7B4C5EB" xlink:to="loc_us-gaap_InterestExpense_071C55C3C3BFEBB1FEB31516D7B5CE98" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/AccountingPoliciesReclassificationOfDebtIssuanceDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NewAccountingPronouncementEarlyAdoptionLineItems" xlink:label="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionLineItems_5E7B407EDCC2BCDF87B91516D785353D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NewAccountingPronouncementEarlyAdoptionTable" xlink:label="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionTable_59940801683593CF59CF1516D7842B2D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionLineItems_5E7B407EDCC2BCDF87B91516D785353D" xlink:to="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionTable_59940801683593CF59CF1516D7842B2D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_AFF00E858DA6EEEB91CA1516D784968E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionTable_59940801683593CF59CF1516D7842B2D" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_AFF00E858DA6EEEB91CA1516D784968E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0C05E652FD6ADA01D4EC1516D78447D2_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_AFF00E858DA6EEEB91CA1516D784968E" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0C05E652FD6ADA01D4EC1516D78447D2_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0C05E652FD6ADA01D4EC1516D78447D2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_AFF00E858DA6EEEB91CA1516D784968E" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0C05E652FD6ADA01D4EC1516D78447D2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_BE1D6E0DFC03506B88B21516D784440F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0C05E652FD6ADA01D4EC1516D78447D2" xlink:to="loc_us-gaap_UnsecuredDebtMember_BE1D6E0DFC03506B88B21516D784440F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_B95A2E04A05A19DCAEF71516D784D90D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0C05E652FD6ADA01D4EC1516D78447D2" xlink:to="loc_us-gaap_SecuredDebtMember_B95A2E04A05A19DCAEF71516D784D90D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NewAccountingPronouncementEarlyAdoptionAxis" xlink:label="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_2A85CDD191D15DC47EFD1516D7842784" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionTable_59940801683593CF59CF1516D7842B2D" xlink:to="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_2A85CDD191D15DC47EFD1516D7842784" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NewAccountingPrinciplesEarlyAdoptionMember" xlink:label="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_B8A9D80FB82D47458F961516D784DD5E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_2A85CDD191D15DC47EFD1516D7842784" xlink:to="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_B8A9D80FB82D47458F961516D784DD5E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NewAccountingPrinciplesEarlyAdoptionMember" xlink:label="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_B8A9D80FB82D47458F961516D784DD5E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_2A85CDD191D15DC47EFD1516D7842784" xlink:to="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_B8A9D80FB82D47458F961516D784DD5E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember" xlink:label="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember_64A172CE58A3EE8DC8571516D785EAE6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_B8A9D80FB82D47458F961516D784DD5E" xlink:to="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember_64A172CE58A3EE8DC8571516D785EAE6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssets" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssets_89264C18F178E412E65B1516D7857163" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionLineItems_5E7B407EDCC2BCDF87B91516D785353D" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssets_89264C18F178E412E65B1516D7857163" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NotesPayable" xlink:label="loc_us-gaap_NotesPayable_773A2871CBA0B17098191516D785CADB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionLineItems_5E7B407EDCC2BCDF87B91516D785353D" xlink:to="loc_us-gaap_NotesPayable_773A2871CBA0B17098191516D785CADB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_CD3F12F19A688658CA3F1516D7859655" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionLineItems_5E7B407EDCC2BCDF87B91516D785353D" xlink:to="loc_us-gaap_SecuredDebt_CD3F12F19A688658CA3F1516D7859655" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_73ACB5359AFC3349CF661516D785D1AA" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionLineItems_5E7B407EDCC2BCDF87B91516D785353D" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_73ACB5359AFC3349CF661516D785D1AA" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/AccountingPoliciesRevenueRecognitionAndAccountsReceivableAndAllowanceDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems_AACA3AD34995CCDD54CE1516D7BBAC7E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseByMajorPropertyClassTable" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseByMajorPropertyClassTable_9343F5220FBA5862632D1516D7BA3C6C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems_AACA3AD34995CCDD54CE1516D7BBAC7E" xlink:to="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseByMajorPropertyClassTable_9343F5220FBA5862632D1516D7BA3C6C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_8BD031769096A0F9C1841516D7BA2022" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseByMajorPropertyClassTable_9343F5220FBA5862632D1516D7BA3C6C" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_8BD031769096A0F9C1841516D7BA2022" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_831178C5EAF15204E4D21516D7BA2CC3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_8BD031769096A0F9C1841516D7BA2022" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_831178C5EAF15204E4D21516D7BA2CC3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_831178C5EAF15204E4D21516D7BA2CC3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_8BD031769096A0F9C1841516D7BA2022" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_831178C5EAF15204E4D21516D7BA2CC3" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_OfficeandRetailMember" xlink:label="loc_wre_OfficeandRetailMember_58FD38680AF83658458F1516D7BA297F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_831178C5EAF15204E4D21516D7BA2CC3" xlink:to="loc_wre_OfficeandRetailMember_58FD38680AF83658458F1516D7BA297F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LessorLeasingArrangementsOperatingLeasesTermOfContract" xlink:label="loc_us-gaap_LessorLeasingArrangementsOperatingLeasesTermOfContract_88419EC5C698E57609DD1516D7BBC5E3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems_AACA3AD34995CCDD54CE1516D7BBAC7E" xlink:to="loc_us-gaap_LessorLeasingArrangementsOperatingLeasesTermOfContract_88419EC5C698E57609DD1516D7BBC5E3" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/AccountingPoliciesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCommitmentsLineItems" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_1FDE38291287DF5651491516D4E9C434" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCommitmentsTable" xlink:label="loc_us-gaap_OtherCommitmentsTable_C51F1171A99AC6A127A71516D4E97E7F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_1FDE38291287DF5651491516D4E9C434" xlink:to="loc_us-gaap_OtherCommitmentsTable_C51F1171A99AC6A127A71516D4E97E7F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_536C6295D5A1A9F3DF9F1516D4E96828" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_C51F1171A99AC6A127A71516D4E97E7F" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_536C6295D5A1A9F3DF9F1516D4E96828" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_C41B56F56D277F7604F91516D4E92C6D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_536C6295D5A1A9F3DF9F1516D4E96828" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_C41B56F56D277F7604F91516D4E92C6D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_C41B56F56D277F7604F91516D4E92C6D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_536C6295D5A1A9F3DF9F1516D4E96828" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_C41B56F56D277F7604F91516D4E92C6D" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_Creditfacility2015Member" xlink:label="loc_wre_Creditfacility2015Member_06255E046C3F9E9D0CAB1516D4E9170C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_C41B56F56D277F7604F91516D4E92C6D" xlink:to="loc_wre_Creditfacility2015Member_06255E046C3F9E9D0CAB1516D4E9170C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_6271B20E98356A6B66921516D4E9783D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_C51F1171A99AC6A127A71516D4E97E7F" xlink:to="loc_us-gaap_CreditFacilityAxis_6271B20E98356A6B66921516D4E9783D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_F3543EF92AF3B2811AF51516D4E9B0AA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_6271B20E98356A6B66921516D4E9783D" xlink:to="loc_us-gaap_CreditFacilityDomain_F3543EF92AF3B2811AF51516D4E9B0AA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_F3543EF92AF3B2811AF51516D4E9B0AA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_6271B20E98356A6B66921516D4E9783D" xlink:to="loc_us-gaap_CreditFacilityDomain_F3543EF92AF3B2811AF51516D4E9B0AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_5381179D64F118BBE4AF1516D4E9C22E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_F3543EF92AF3B2811AF51516D4E9B0AA" xlink:to="loc_us-gaap_LineOfCreditMember_5381179D64F118BBE4AF1516D4E9C22E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_EF5742CA2C3F036500D01516D4E99839" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_1FDE38291287DF5651491516D4E9C434" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_EF5742CA2C3F036500D01516D4E99839" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/ConsolidatedBalanceSheets" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/ConsolidatedStatementsOfIncome" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/ConsolidatedStatementsOfShareholdersEquity" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_3D11CABDAD2F9980EF901516D810D0C7" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_CFDEAE836905E4A78E061516D80F1E63" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_3D11CABDAD2F9980EF901516D810D0C7" xlink:to="loc_us-gaap_StatementTable_CFDEAE836905E4A78E061516D80F1E63" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_E64073EB76E7202098C31516D80F81F6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_CFDEAE836905E4A78E061516D80F1E63" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_E64073EB76E7202098C31516D80F81F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_4BA85323DF726D6E27A51516D80FCC7F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_E64073EB76E7202098C31516D80F81F6" xlink:to="loc_us-gaap_EquityComponentDomain_4BA85323DF726D6E27A51516D80FCC7F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_4BA85323DF726D6E27A51516D80FCC7F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_E64073EB76E7202098C31516D80F81F6" xlink:to="loc_us-gaap_EquityComponentDomain_4BA85323DF726D6E27A51516D80FCC7F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_D6023264CCD0171A8AE81516D80FDD91" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4BA85323DF726D6E27A51516D80FCC7F" xlink:to="loc_us-gaap_CommonStockMember_D6023264CCD0171A8AE81516D80FDD91" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_838395DCC2CE0E2F99CA1516D80F0659" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4BA85323DF726D6E27A51516D80FCC7F" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_838395DCC2CE0E2F99CA1516D80F0659" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_03617CA4962466B9A3D21516D80F26C0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4BA85323DF726D6E27A51516D80FCC7F" xlink:to="loc_us-gaap_RetainedEarningsMember_03617CA4962466B9A3D21516D80F26C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_2FB080DBA7C8C9D4E15B1516D810ADD9" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4BA85323DF726D6E27A51516D80FCC7F" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_2FB080DBA7C8C9D4E15B1516D810ADD9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_us-gaap_ParentMember_C815AA641F83C8C2D8861516D8101ADE" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4BA85323DF726D6E27A51516D80FCC7F" xlink:to="loc_us-gaap_ParentMember_C815AA641F83C8C2D8861516D8101ADE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_88CDDB6657E4F4CC94981516D8106D3B" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4BA85323DF726D6E27A51516D80FCC7F" xlink:to="loc_us-gaap_NoncontrollingInterestMember_88CDDB6657E4F4CC94981516D8106D3B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3D11CABDAD2F9980EF901516D810D0C7" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_D98A62F862D50D7250701516D810E87E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_D98A62F862D50D7250701516D810E87E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaap_SharesOutstanding_5F492058D5A5CEEAC3A21516D810AF9B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_us-gaap_SharesOutstanding_5F492058D5A5CEEAC3A21516D810AF9B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_4F9AAC5E4304492DE5A51516D810AF05" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_us-gaap_NetIncomeLoss_4F9AAC5E4304492DE5A51516D810AF05" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_0520FEC8892A5FBDA19A1516D810AF78" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_0520FEC8892A5FBDA19A1516D810AF78" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ContributionsFromNoncontrollingInterest" xlink:label="loc_wre_ContributionsFromNoncontrollingInterest_F7619DCD77AADE461F971516D8104E07" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_wre_ContributionsFromNoncontrollingInterest_F7619DCD77AADE461F971516D8104E07" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Dividends" xlink:label="loc_us-gaap_Dividends_4561E429D814B72A14D81516D810CF7F" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_us-gaap_Dividends_4561E429D814B72A14D81516D810CF7F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_8DC6CF3678F1851842261516D810FE51" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_8DC6CF3678F1851842261516D810FE51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_8929340BA45F4BBCA3FB1516D8105704" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_8929340BA45F4BBCA3FB1516D8105704" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_9F0B5219F03DDF8BC2961516D810C95F" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_9F0B5219F03DDF8BC2961516D810C95F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_42778822AFFC2F38E2391516D811BFF0" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_42778822AFFC2F38E2391516D811BFF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_D129183F2546C7FCB5491516D8115CE0" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_D129183F2546C7FCB5491516D8115CE0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation" xlink:label="loc_us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation_081DD834E6750E1718F81516D811D7AF" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation_081DD834E6750E1718F81516D811D7AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_7B187C72393CC3910E511516D811DAD3" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58A9D1B166A1E35B62DD1516D8105388" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_7B187C72393CC3910E511516D811DAD3" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/DeferredCosts" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/DeferredCostsScheduleOfAmortizationAndWriteOffsOfDeferredFinancingLeasingAndLeasingIncentiveCostsDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/DeferredCostsScheduleOfPrepaidExpensesAndOtherAssetsDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/DeferredCostsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/DerivativeInstrumentsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_960853CAFCF54566EA8F1516D62B2FDA" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_1EDF7A30B7F33CFB9B961516D6249D3F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_960853CAFCF54566EA8F1516D62B2FDA" xlink:to="loc_us-gaap_DerivativeTable_1EDF7A30B7F33CFB9B961516D6249D3F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_9511A19E805FF413076E1516D625220C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_1EDF7A30B7F33CFB9B961516D6249D3F" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_9511A19E805FF413076E1516D625220C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_DFC2B5FB004DF3006D881516D6253510_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_9511A19E805FF413076E1516D625220C" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_DFC2B5FB004DF3006D881516D6253510_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_DFC2B5FB004DF3006D881516D6253510" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_9511A19E805FF413076E1516D625220C" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_DFC2B5FB004DF3006D881516D6253510" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_Creditfacility2015Member" xlink:label="loc_wre_Creditfacility2015Member_67D1153C2F188864BC841516D62A387A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_DFC2B5FB004DF3006D881516D6253510" xlink:to="loc_wre_Creditfacility2015Member_67D1153C2F188864BC841516D62A387A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_978F62D175F8396E6B9F1516D62A01FC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_1EDF7A30B7F33CFB9B961516D6249D3F" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_978F62D175F8396E6B9F1516D62A01FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_F7AAEACBEE6E0F4BB6961516D62A721C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_978F62D175F8396E6B9F1516D62A01FC" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_F7AAEACBEE6E0F4BB6961516D62A721C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_F7AAEACBEE6E0F4BB6961516D62A721C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_978F62D175F8396E6B9F1516D62A01FC" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_F7AAEACBEE6E0F4BB6961516D62A721C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_F9EE29859912A5B57CB31516D62B5F1A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_F7AAEACBEE6E0F4BB6961516D62A721C" xlink:to="loc_us-gaap_InterestRateSwapMember_F9EE29859912A5B57CB31516D62B5F1A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_7E9E1E7D25F4FC15AF371516D62B84A4" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_1EDF7A30B7F33CFB9B961516D6249D3F" xlink:to="loc_us-gaap_CreditFacilityAxis_7E9E1E7D25F4FC15AF371516D62B84A4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_6D52D68AAA77894F7A7F1516D62BDCA7_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_7E9E1E7D25F4FC15AF371516D62B84A4" xlink:to="loc_us-gaap_CreditFacilityDomain_6D52D68AAA77894F7A7F1516D62BDCA7_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_6D52D68AAA77894F7A7F1516D62BDCA7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_7E9E1E7D25F4FC15AF371516D62B84A4" xlink:to="loc_us-gaap_CreditFacilityDomain_6D52D68AAA77894F7A7F1516D62BDCA7" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TermLoanMember" xlink:label="loc_wre_TermLoanMember_67DB1C05B758F58750BA1516D62B0D7B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_6D52D68AAA77894F7A7F1516D62BDCA7" xlink:to="loc_wre_TermLoanMember_67DB1C05B758F58750BA1516D62B0D7B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_C397650A4B06A9AB327A1516D62B23C3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_960853CAFCF54566EA8F1516D62B2FDA" xlink:to="loc_invest_DerivativeNotionalAmount_C397650A4B06A9AB327A1516D62B23C3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_A49B078E40E2DBA084031516D62BF0C7" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_960853CAFCF54566EA8F1516D62B2FDA" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_A49B078E40E2DBA084031516D62BF0C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="loc_us-gaap_DebtInstrumentMaturityDate_1B149EC6B25AB3BC345D1516D62B128E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_960853CAFCF54566EA8F1516D62B2FDA" xlink:to="loc_us-gaap_DebtInstrumentMaturityDate_1B149EC6B25AB3BC345D1516D62B128E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:label="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_3EA1F133A8E0EFFBFB361516D62BA112" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_960853CAFCF54566EA8F1516D62B2FDA" xlink:to="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_3EA1F133A8E0EFFBFB361516D62BA112" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet" xlink:label="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_802890977E5FAC7795221516D62BAFE0" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_960853CAFCF54566EA8F1516D62B2FDA" xlink:to="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_802890977E5FAC7795221516D62BAFE0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueHedgeLiabilitiesAtFairValue" xlink:label="loc_us-gaap_FairValueHedgeLiabilitiesAtFairValue_BE9692C1EAF221ECF1A11516D62BCCFB" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_960853CAFCF54566EA8F1516D62B2FDA" xlink:to="loc_us-gaap_FairValueHedgeLiabilitiesAtFairValue_BE9692C1EAF221ECF1A11516D62BCCFB" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/DerivativeInstrumentsNotes" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/DerivativeInstrumentsScheduleOfDerivativesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_2AA533E13405AD6BDDF01516D6102538" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_3ACEFFBD5FE6C095A4FB1516D610C92B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_2AA533E13405AD6BDDF01516D6102538" xlink:to="loc_us-gaap_DerivativeTable_3ACEFFBD5FE6C095A4FB1516D610C92B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="loc_us-gaap_DerivativeByNatureAxis_42E1145D276CC48A079F1516D61098F6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3ACEFFBD5FE6C095A4FB1516D610C92B" xlink:to="loc_us-gaap_DerivativeByNatureAxis_42E1145D276CC48A079F1516D61098F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_CF74A129570ED1A7691F1516D610F751_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeByNatureAxis_42E1145D276CC48A079F1516D61098F6" xlink:to="loc_us-gaap_DerivativeNameDomain_CF74A129570ED1A7691F1516D610F751_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_CF74A129570ED1A7691F1516D610F751" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeByNatureAxis_42E1145D276CC48A079F1516D61098F6" xlink:to="loc_us-gaap_DerivativeNameDomain_CF74A129570ED1A7691F1516D610F751" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SwapMember" xlink:label="loc_us-gaap_SwapMember_71F2F5ED57D799FC713A1516D610F487" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeNameDomain_CF74A129570ED1A7691F1516D610F751" xlink:to="loc_us-gaap_SwapMember_71F2F5ED57D799FC713A1516D610F487" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueHedgeLiabilitiesAtFairValue" xlink:label="loc_us-gaap_FairValueHedgeLiabilitiesAtFairValue_4EC46C71A8F8EDDF7B631516D6108535" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_2AA533E13405AD6BDDF01516D6102538" xlink:to="loc_us-gaap_FairValueHedgeLiabilitiesAtFairValue_4EC46C71A8F8EDDF7B631516D6108535" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_CCBFCEB76E8DEFD73CF01516D616572D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_2AA533E13405AD6BDDF01516D6102538" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_CCBFCEB76E8DEFD73CF01516D616572D" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/DerivativeInstrumentsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/EarningsPerCommonShare" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/EarningsPerCommonShareComputationOfBasicAndDilutedEarningsPerShareDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasicLineItems" xlink:label="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_30E4E9853CBCFE516EB015513C53C10A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_30E4E9853CBCFE516EB015513C53C10A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_1D662DF74C96E390D900155184C974A5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_30E4E9853CBCFE516EB015513C53C10A" xlink:to="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_1D662DF74C96E390D900155184C974A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentOperatingActivitiesDomain" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_86422CE38FD43D3CD0961551DD50ED9A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_1D662DF74C96E390D900155184C974A5" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_86422CE38FD43D3CD0961551DD50ED9A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentOperatingActivitiesDomain" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_86422CE38FD43D3CD0961551DD50ED9A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_1D662DF74C96E390D900155184C974A5" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_86422CE38FD43D3CD0961551DD50ED9A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentContinuingOperationsMember" xlink:label="loc_us-gaap_SegmentContinuingOperationsMember_CD118A307C7B27AC15AA1551FE3891BC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_86422CE38FD43D3CD0961551DD50ED9A" xlink:to="loc_us-gaap_SegmentContinuingOperationsMember_CD118A307C7B27AC15AA1551FE3891BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDiscontinuedOperationsMember" xlink:label="loc_us-gaap_SegmentDiscontinuedOperationsMember_68962BEF270885911E7615522E596866" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_86422CE38FD43D3CD0961551DD50ED9A" xlink:to="loc_us-gaap_SegmentDiscontinuedOperationsMember_68962BEF270885911E7615522E596866" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_DFA1CC84674660B43C9C15513C5381F6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_30E4E9853CBCFE516EB015513C53C10A" xlink:to="loc_us-gaap_StatementClassOfStockAxis_DFA1CC84674660B43C9C15513C5381F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_0F7E63A92C9A4839062015513C5335E8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_DFA1CC84674660B43C9C15513C5381F6" xlink:to="loc_us-gaap_ClassOfStockDomain_0F7E63A92C9A4839062015513C5335E8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_0F7E63A92C9A4839062015513C5335E8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_DFA1CC84674660B43C9C15513C5381F6" xlink:to="loc_us-gaap_ClassOfStockDomain_0F7E63A92C9A4839062015513C5335E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnitsOfPartnershipInterestAmount" xlink:label="loc_us-gaap_UnitsOfPartnershipInterestAmount_82C7044FB3EF032BEF651516D525A44B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_UnitsOfPartnershipInterestAmount_82C7044FB3EF032BEF651516D525A44B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_07FA0CE75D1C42FA80FE1516D52550AC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_07FA0CE75D1C42FA80FE1516D52550AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic" xlink:label="loc_us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_FAA6EB5201FC7CCCE78B1516D5258D5E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_FAA6EB5201FC7CCCE78B1516D5258D5E" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_AdjustedIncomeLossFromContinuingOperations" xlink:label="loc_wre_AdjustedIncomeLossFromContinuingOperations_EA638D7F7AFA1BEE462B1516D52556E8" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_wre_AdjustedIncomeLossFromContinuingOperations_EA638D7F7AFA1BEE462B1516D52556E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_21FF1ACF1EC1B638920E1516D5250759" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_21FF1ACF1EC1B638920E1516D5250759" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_8BA026E59EE48EBB02561516D525443D" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_8BA026E59EE48EBB02561516D525443D" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_UndistributedEarningsAllocatedToParticipatingSecuritesDiscontinuedOperations" xlink:label="loc_wre_UndistributedEarningsAllocatedToParticipatingSecuritesDiscontinuedOperations_12F5EA55C463656E51A71516D5256646" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_wre_UndistributedEarningsAllocatedToParticipatingSecuritesDiscontinuedOperations_12F5EA55C463656E51A71516D5256646" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_AdjustedIncomeFromDiscontinuingOperationsAttributableToControllingInterests" xlink:label="loc_wre_AdjustedIncomeFromDiscontinuingOperationsAttributableToControllingInterests_352D6ACD008FD2DF222C1516D525EA96" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_wre_AdjustedIncomeFromDiscontinuingOperationsAttributableToControllingInterests_352D6ACD008FD2DF222C1516D525EA96" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_AdjustedNetIncomeAttributableToControllingInterestsIncomeNumerator" xlink:label="loc_wre_AdjustedNetIncomeAttributableToControllingInterestsIncomeNumerator_2BF00852CCEF990971E41516D52B2D27" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_wre_AdjustedNetIncomeAttributableToControllingInterestsIncomeNumerator_2BF00852CCEF990971E41516D52B2D27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_0531D27932E39C0BCF2B1516D52BD244" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_0531D27932E39C0BCF2B1516D52BD244" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_BD9AE2E6CA4CEBF7AE3D1516D52B04E4" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_BD9AE2E6CA4CEBF7AE3D1516D52B04E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_A82006E3B31FACA77E521516D52BF5BB" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_A82006E3B31FACA77E521516D52BF5BB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_935A481BC5BC9F9414C51516D52BD852" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_935A481BC5BC9F9414C51516D52BD852" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_9EACEF4FF6E6410685321516D52BCEE2" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_9EACEF4FF6E6410685321516D52BCEE2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_25A6E2062D86AA781C3B1516D52B0FE8" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_EarningsPerShareBasic_25A6E2062D86AA781C3B1516D52B0FE8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_822C02B99A4893E19EDF1516D52B8C60" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_822C02B99A4893E19EDF1516D52B8C60" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_F7CF8303EF10023C0AF51516D52B86BE" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_F7CF8303EF10023C0AF51516D52B86BE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_2D82948E514F4CC390EA1516D52B7B82" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_EarningsPerShareDiluted_2D82948E514F4CC390EA1516D52B7B82" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_83C98B0B556E56A732C51516D52B9A83" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_A1C2C3EA7AAE507784C215513C542C1E" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_83C98B0B556E56A732C51516D52B9A83" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/EarningsPerCommonShareTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/FairValueDisclosures" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/FairValueDisclosuresFinancialAssetsAndLiabilitiesMeasuredAtFairValueDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_30034FB3DDB948F302C219D6888F5C87" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_EF947981EA6CCCB55C3E19D6888F3242" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_30034FB3DDB948F302C219D6888F5C87" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_EF947981EA6CCCB55C3E19D6888F3242" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_45867FABF9ED80D41F7819E4BB91DE2F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_EF947981EA6CCCB55C3E19D6888F3242" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_45867FABF9ED80D41F7819E4BB91DE2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_C1A8538074992ABDF6D719E4BB9FF7BC_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_45867FABF9ED80D41F7819E4BB91DE2F" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_C1A8538074992ABDF6D719E4BB9FF7BC_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_C1A8538074992ABDF6D719E4BB9FF7BC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_45867FABF9ED80D41F7819E4BB91DE2F" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_C1A8538074992ABDF6D719E4BB9FF7BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_C75112A62F9691F3637619E4E5A5B054" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_C1A8538074992ABDF6D719E4BB9FF7BC" xlink:to="loc_us-gaap_InterestRateSwapMember_C75112A62F9691F3637619E4E5A5B054" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2FBDBAAF9A98B91FD4A019D6888F0FD2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_EF947981EA6CCCB55C3E19D6888F3242" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2FBDBAAF9A98B91FD4A019D6888F0FD2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_62FE349EFDADCC39A79419D6888F5DEF_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2FBDBAAF9A98B91FD4A019D6888F0FD2" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_62FE349EFDADCC39A79419D6888F5DEF_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_62FE349EFDADCC39A79419D6888F5DEF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2FBDBAAF9A98B91FD4A019D6888F0FD2" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_62FE349EFDADCC39A79419D6888F5DEF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_DDC0689C9418397D70E019D6888F3C8C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_62FE349EFDADCC39A79419D6888F5DEF" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_DDC0689C9418397D70E019D6888F3C8C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_1FF3B576849F314EB19E19D6888FD071" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_62FE349EFDADCC39A79419D6888F5DEF" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_1FF3B576849F314EB19E19D6888FD071" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_3EB4C6C2AD98FA34E60D19D6888F7FC4" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_62FE349EFDADCC39A79419D6888F5DEF" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_3EB4C6C2AD98FA34E60D19D6888F7FC4" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FairValueAssetsMeasuredOnRecurringBasisSupplementalExecutiveRetirementProgram" xlink:label="loc_wre_FairValueAssetsMeasuredOnRecurringBasisSupplementalExecutiveRetirementProgram_971E860747CBBE26C34619D6888F6C65" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_30034FB3DDB948F302C219D6888F5C87" xlink:to="loc_wre_FairValueAssetsMeasuredOnRecurringBasisSupplementalExecutiveRetirementProgram_971E860747CBBE26C34619D6888F6C65" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentFairValue" xlink:label="loc_us-gaap_DebtInstrumentFairValue_0448F7CB716C1288603119D6888FB4E5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_30034FB3DDB948F302C219D6888F5C87" xlink:to="loc_us-gaap_DebtInstrumentFairValue_0448F7CB716C1288603119D6888FB4E5" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/FairValueDisclosuresFinancialAssetsAndLiabilitiesNotMeasuredAtFairValueDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_C72A27CCCE16864003201516D5E49488" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_0463CD1F214F848CD1DF1516D5E4156B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_C72A27CCCE16864003201516D5E49488" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_0463CD1F214F848CD1DF1516D5E4156B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_CE48B6925CF3897962B91516D5E42DC2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_0463CD1F214F848CD1DF1516D5E4156B" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_CE48B6925CF3897962B91516D5E42DC2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_0D2C8F536D65232802CE1516D5E4CB94_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_CE48B6925CF3897962B91516D5E42DC2" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_0D2C8F536D65232802CE1516D5E4CB94_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_0D2C8F536D65232802CE1516D5E4CB94" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_CE48B6925CF3897962B91516D5E42DC2" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_0D2C8F536D65232802CE1516D5E4CB94" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MStreet2445Member" xlink:label="loc_wre_MStreet2445Member_33621DF1027ADBCEB2F51516D5E49B2A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_0D2C8F536D65232802CE1516D5E4CB94" xlink:to="loc_wre_MStreet2445Member_33621DF1027ADBCEB2F51516D5E49B2A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_C9E10ED713B6EB910D801516D5E46709" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_0463CD1F214F848CD1DF1516D5E4156B" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_C9E10ED713B6EB910D801516D5E46709" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_4F67471A9E7344E1ED701552E60F2A8A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_C9E10ED713B6EB910D801516D5E46709" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_4F67471A9E7344E1ED701552E60F2A8A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_E05BC3D44F129C7F2EAE1568C66D7D4A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_C9E10ED713B6EB910D801516D5E46709" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_E05BC3D44F129C7F2EAE1568C66D7D4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_4F67471A9E7344E1ED701552E60F2A8A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_E05BC3D44F129C7F2EAE1568C66D7D4A" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_4F67471A9E7344E1ED701552E60F2A8A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_3745887DB07ABA3D79BF1552E60FCBDA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_E05BC3D44F129C7F2EAE1568C66D7D4A" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_3745887DB07ABA3D79BF1552E60FCBDA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_1521A853E447C8BF70331552E60F1924" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_E05BC3D44F129C7F2EAE1568C66D7D4A" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_1521A853E447C8BF70331552E60F1924" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_81A6D825772FF7D890081516D5E42C19" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_C72A27CCCE16864003201516D5E49488" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_81A6D825772FF7D890081516D5E42C19" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_446D8FF77E77ADAC71071516D5E42C8E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_C72A27CCCE16864003201516D5E49488" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_446D8FF77E77ADAC71071516D5E42C8E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NotesReceivableFairValueDisclosure" xlink:label="loc_us-gaap_NotesReceivableFairValueDisclosure_23059AB243E7CB2801821516D5E5FCDA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_C72A27CCCE16864003201516D5E49488" xlink:to="loc_us-gaap_NotesReceivableFairValueDisclosure_23059AB243E7CB2801821516D5E5FCDA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentFairValue" xlink:label="loc_us-gaap_DebtInstrumentFairValue_5D0EA75B31B7D93C07301516D5E53EF0" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_C72A27CCCE16864003201516D5E49488" xlink:to="loc_us-gaap_DebtInstrumentFairValue_5D0EA75B31B7D93C07301516D5E53EF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LinesOfCreditFairValueDisclosure" xlink:label="loc_us-gaap_LinesOfCreditFairValueDisclosure_E9FE5426E4B3DB8EDA211516D5E58DA2" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_C72A27CCCE16864003201516D5E49488" xlink:to="loc_us-gaap_LinesOfCreditFairValueDisclosure_E9FE5426E4B3DB8EDA211516D5E58DA2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NotesPayableFairValueDisclosure" xlink:label="loc_us-gaap_NotesPayableFairValueDisclosure_877231A64A987CBB3E1F1516D5EA6A48" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_C72A27CCCE16864003201516D5E49488" xlink:to="loc_us-gaap_NotesPayableFairValueDisclosure_877231A64A987CBB3E1F1516D5EA6A48" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/FairValueDisclosuresTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/MortgageNotesPayable" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/MortgageNotesPayableDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateLineItems" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateScheduleTable" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateScheduleTable_392613BE9CC5F6CC956419D689261F50" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateScheduleTable_392613BE9CC5F6CC956419D689261F50" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_DEC204BEA09CCB78E2C419D6892625D0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateScheduleTable_392613BE9CC5F6CC956419D689261F50" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_DEC204BEA09CCB78E2C419D6892625D0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2D61D9C1C8D83959650819D6892B434F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_DEC204BEA09CCB78E2C419D6892625D0" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2D61D9C1C8D83959650819D6892B434F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2D61D9C1C8D83959650819D6892B434F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_DEC204BEA09CCB78E2C419D6892625D0" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2D61D9C1C8D83959650819D6892B434F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_B546A66B48DB0778F46A19D6892C9805" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2D61D9C1C8D83959650819D6892B434F" xlink:to="loc_us-gaap_SecuredDebtMember_B546A66B48DB0778F46A19D6892C9805" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NewAccountingPronouncementEarlyAdoptionAxis" xlink:label="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_0742D641A4C8702A552219D6892CB656" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateScheduleTable_392613BE9CC5F6CC956419D689261F50" xlink:to="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_0742D641A4C8702A552219D6892CB656" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NewAccountingPrinciplesEarlyAdoptionMember" xlink:label="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_033799841DF62292015B19D6892CA11D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_0742D641A4C8702A552219D6892CB656" xlink:to="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_033799841DF62292015B19D6892CA11D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NewAccountingPrinciplesEarlyAdoptionMember" xlink:label="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_033799841DF62292015B19D6892CA11D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_0742D641A4C8702A552219D6892CB656" xlink:to="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_033799841DF62292015B19D6892CA11D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember" xlink:label="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember_1A0CA97F02F5B2EAC57019D6892C75A1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_033799841DF62292015B19D6892CA11D" xlink:to="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember_1A0CA97F02F5B2EAC57019D6892C75A1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_EAA79352A7E56758A39719D6892CF84C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateScheduleTable_392613BE9CC5F6CC956419D689261F50" xlink:to="loc_us-gaap_VariableRateAxis_EAA79352A7E56758A39719D6892CF84C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_B32897CC0ED43B5CC5D619D6892C986D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_EAA79352A7E56758A39719D6892CF84C" xlink:to="loc_us-gaap_VariableRateDomain_B32897CC0ED43B5CC5D619D6892C986D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_B32897CC0ED43B5CC5D619D6892C986D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_EAA79352A7E56758A39719D6892CF84C" xlink:to="loc_us-gaap_VariableRateDomain_B32897CC0ED43B5CC5D619D6892C986D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_1988DB77FA0AE8DB55A319D6892C5E11" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_B32897CC0ED43B5CC5D619D6892C986D" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_1988DB77FA0AE8DB55A319D6892C5E11" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_92D542BBD577B7C5C8B419D6892CBDA0" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateScheduleTable_392613BE9CC5F6CC956419D689261F50" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_92D542BBD577B7C5C8B419D6892CBDA0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_E637599019BD80D7D13219D6892C95F3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_92D542BBD577B7C5C8B419D6892CBDA0" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_E637599019BD80D7D13219D6892C95F3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_E637599019BD80D7D13219D6892C95F3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_92D542BBD577B7C5C8B419D6892CBDA0" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_E637599019BD80D7D13219D6892C95F3" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TheArmyNavyClubBuildingMember" xlink:label="loc_wre_TheArmyNavyClubBuildingMember_E5F1ACE855ED16AFA45719D6892C2B8C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_E637599019BD80D7D13219D6892C95F3" xlink:to="loc_wre_TheArmyNavyClubBuildingMember_E5F1ACE855ED16AFA45719D6892C2B8C" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_YaleWestMember" xlink:label="loc_wre_YaleWestMember_53841F31A38DE2FBF07819D6892C8B28" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_E637599019BD80D7D13219D6892C95F3" xlink:to="loc_wre_YaleWestMember_53841F31A38DE2FBF07819D6892C8B28" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_SixFiftyNorthGlebeRoadMember" xlink:label="loc_wre_SixFiftyNorthGlebeRoadMember_7C62DE66291BBF23C96719D6892CCB69" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_E637599019BD80D7D13219D6892C95F3" xlink:to="loc_wre_SixFiftyNorthGlebeRoadMember_7C62DE66291BBF23C96719D6892CCB69" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_JohnMarshallIiMember" xlink:label="loc_wre_JohnMarshallIiMember_5BC3346A9BD9FD7C08F619D6892CD8C1" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_E637599019BD80D7D13219D6892C95F3" xlink:to="loc_wre_JohnMarshallIiMember_5BC3346A9BD9FD7C08F619D6892CD8C1" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_OlneyVillageCenterMember" xlink:label="loc_wre_OlneyVillageCenterMember_8D5CB9C83BE50823B48719D6892CC72E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_E637599019BD80D7D13219D6892C95F3" xlink:to="loc_wre_OlneyVillageCenterMember_8D5CB9C83BE50823B48719D6892CC72E" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_KenmoreApartmentsMember" xlink:label="loc_wre_KenmoreApartmentsMember_EAC6169D9A620EF9EBFB19D6892D6B91" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_E637599019BD80D7D13219D6892C95F3" xlink:to="loc_wre_KenmoreApartmentsMember_EAC6169D9A620EF9EBFB19D6892D6B91" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MStreet2445Member" xlink:label="loc_wre_MStreet2445Member_15B63D9D24F05BF288C219D6892D0F7C" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_E637599019BD80D7D13219D6892C95F3" xlink:to="loc_wre_MStreet2445Member_15B63D9D24F05BF288C219D6892D0F7C" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A3801ConnecticutWalkerHouseBethesdaHillMember" xlink:label="loc_wre_A3801ConnecticutWalkerHouseBethesdaHillMember_18F91846992CF0E0F1BF19D6892D0FA3" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_E637599019BD80D7D13219D6892C95F3" xlink:to="loc_wre_A3801ConnecticutWalkerHouseBethesdaHillMember_18F91846992CF0E0F1BF19D6892D0FA3" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MinimumBuildingsOrLandCollateralForMortgageNotesPayable" xlink:label="loc_wre_MinimumBuildingsOrLandCollateralForMortgageNotesPayable_F3C121F030E14213B4ED19D6892D6BAA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:to="loc_wre_MinimumBuildingsOrLandCollateralForMortgageNotesPayable_F3C121F030E14213B4ED19D6892D6BAA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentIssuanceDate1" xlink:label="loc_us-gaap_DebtInstrumentIssuanceDate1_8CE89EFCAE68ADD98A7819D6892DC0D5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:to="loc_us-gaap_DebtInstrumentIssuanceDate1_8CE89EFCAE68ADD98A7819D6892DC0D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_C328D0B33A65F835B5D219D6892DFBD3" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_C328D0B33A65F835B5D219D6892DFBD3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_A8E1A8AAC775A72FBC2C19D6892D99C5" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:to="loc_us-gaap_SecuredDebt_A8E1A8AAC775A72FBC2C19D6892D99C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_9CEF74D30CC97EAFC8DA19D6892D3CC0" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_9CEF74D30CC97EAFC8DA19D6892D3CC0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_105CA4C6D50C6EEE861119D6892DE1EC" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_105CA4C6D50C6EEE861119D6892DE1EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="loc_us-gaap_DebtInstrumentMaturityDate_B28262C877746F51478219D6892DE490" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:to="loc_us-gaap_DebtInstrumentMaturityDate_B28262C877746F51478219D6892DE490" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansPayable" xlink:label="loc_us-gaap_LoansPayable_1F9BF86CFB919FD7780919D6892D5BB4" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:to="loc_us-gaap_LoansPayable_1F9BF86CFB919FD7780919D6892D5BB4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_36C9139C2707914EC59019D6892DCE56" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_36C9139C2707914EC59019D6892DCE56" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_DebtInstrumentExtensionTerm" xlink:label="loc_wre_DebtInstrumentExtensionTerm_EB099297832CDD4F2BB419D6892D152F" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:to="loc_wre_DebtInstrumentExtensionTerm_EB099297832CDD4F2BB419D6892D152F" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_CarryingAmountMortgagedProperties" xlink:label="loc_wre_CarryingAmountMortgagedProperties_BA7B83664F3C1DFFB21519D6892DA824" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateLineItems_29A6449546782D3F26E519D6892DC0FC" xlink:to="loc_wre_CarryingAmountMortgagedProperties_BA7B83664F3C1DFFB21519D6892DA824" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/MortgageNotesPayableScheduledPrincipalPaymentsDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/MortgageNotesPayableTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/NatureOfBusiness" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/NatureOfBusinessDetails" xlink:type="extended">
    <loc xlink:href="wre-20151231.xsd#wre_NatureOfBusinessLineItems" xlink:label="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:type="locator" />
    <loc xlink:href="wre-20151231.xsd#wre_NatureOfBusinessTable" xlink:label="loc_wre_NatureOfBusinessTable_9BE588EC3259D12035F31516D7E13EA2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_wre_NatureOfBusinessTable_9BE588EC3259D12035F31516D7E13EA2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_363C22C299C64C4023C51516D7E1F4C2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_wre_NatureOfBusinessTable_9BE588EC3259D12035F31516D7E13EA2" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_363C22C299C64C4023C51516D7E1F4C2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_1F2E5A8C05BCD8D9B3F31516D7E12A47_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_363C22C299C64C4023C51516D7E1F4C2" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_1F2E5A8C05BCD8D9B3F31516D7E12A47_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_1F2E5A8C05BCD8D9B3F31516D7E12A47" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_363C22C299C64C4023C51516D7E1F4C2" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_1F2E5A8C05BCD8D9B3F31516D7E12A47" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultifamilyMember" xlink:label="loc_us-gaap_MultifamilyMember_33746470DC4F1FE2AD171516D7E284F8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_1F2E5A8C05BCD8D9B3F31516D7E12A47" xlink:to="loc_us-gaap_MultifamilyMember_33746470DC4F1FE2AD171516D7E284F8" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RetailMember" xlink:label="loc_wre_RetailMember_DD16F690DF3E612047C31516D7E29800" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_1F2E5A8C05BCD8D9B3F31516D7E12A47" xlink:to="loc_wre_RetailMember_DD16F690DF3E612047C31516D7E29800" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MedicalOfficeAndOfficeBuildingMember" xlink:label="loc_wre_MedicalOfficeAndOfficeBuildingMember_626AFA01C4E2696803CC1516D7E24322" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_1F2E5A8C05BCD8D9B3F31516D7E12A47" xlink:to="loc_wre_MedicalOfficeAndOfficeBuildingMember_626AFA01C4E2696803CC1516D7E24322" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_OfficeMember" xlink:label="loc_wre_OfficeMember_388E99BD03AEB9984D661516D7E2E3D9" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_1F2E5A8C05BCD8D9B3F31516D7E12A47" xlink:to="loc_wre_OfficeMember_388E99BD03AEB9984D661516D7E2E3D9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NatureOfExpenseAxis" xlink:label="loc_us-gaap_NatureOfExpenseAxis_3D4D5FF49D96141788951516D7E243F6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_wre_NatureOfBusinessTable_9BE588EC3259D12035F31516D7E13EA2" xlink:to="loc_us-gaap_NatureOfExpenseAxis_3D4D5FF49D96141788951516D7E243F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterimPeriodCostsNotAllocableDomain" xlink:label="loc_us-gaap_InterimPeriodCostsNotAllocableDomain_BED8FCB4DC1E1801FFC91516D7E3DBA0_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_NatureOfExpenseAxis_3D4D5FF49D96141788951516D7E243F6" xlink:to="loc_us-gaap_InterimPeriodCostsNotAllocableDomain_BED8FCB4DC1E1801FFC91516D7E3DBA0_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterimPeriodCostsNotAllocableDomain" xlink:label="loc_us-gaap_InterimPeriodCostsNotAllocableDomain_BED8FCB4DC1E1801FFC91516D7E3DBA0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_NatureOfExpenseAxis_3D4D5FF49D96141788951516D7E243F6" xlink:to="loc_us-gaap_InterimPeriodCostsNotAllocableDomain_BED8FCB4DC1E1801FFC91516D7E3DBA0" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TaxableReitSubsidiaryMember" xlink:label="loc_wre_TaxableReitSubsidiaryMember_BB90FC609221A23FD9D51516D7E3DE33" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterimPeriodCostsNotAllocableDomain_BED8FCB4DC1E1801FFC91516D7E3DBA0" xlink:to="loc_wre_TaxableReitSubsidiaryMember_BB90FC609221A23FD9D51516D7E3DE33" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_52DD6F76CCE975D2A1E91516D7E35E71" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_wre_NatureOfBusinessTable_9BE588EC3259D12035F31516D7E13EA2" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_52DD6F76CCE975D2A1E91516D7E35E71" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_235E7BBE92D7C32AC16B1516D7E35464_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_52DD6F76CCE975D2A1E91516D7E35E71" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_235E7BBE92D7C32AC16B1516D7E35464_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_235E7BBE92D7C32AC16B1516D7E35464" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_52DD6F76CCE975D2A1E91516D7E35E71" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_235E7BBE92D7C32AC16B1516D7E35464" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_CountryClubTowersMember" xlink:label="loc_wre_CountryClubTowersMember_BF3653D0C3B719956B421516D7E35336" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_235E7BBE92D7C32AC16B1516D7E35464" xlink:to="loc_wre_CountryClubTowersMember_BF3653D0C3B719956B421516D7E35336" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FirstStreet1225Member" xlink:label="loc_wre_FirstStreet1225Member_EB8289B2AA9736FCD1AB1516D7E4C84B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_235E7BBE92D7C32AC16B1516D7E35464" xlink:to="loc_wre_FirstStreet1225Member_EB8289B2AA9736FCD1AB1516D7E4C84B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MunsonHillTowersMember" xlink:label="loc_wre_MunsonHillTowersMember_0ED22B4D95F50DFD40021516D7E49B78" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_235E7BBE92D7C32AC16B1516D7E35464" xlink:to="loc_wre_MunsonHillTowersMember_0ED22B4D95F50DFD40021516D7E49B78" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MedicalOfficePortfolioTransactionsIIIIVMember" xlink:label="loc_wre_MedicalOfficePortfolioTransactionsIIIIVMember_DFA67FC0E4E74F8C93A11516D7E4EB12" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_235E7BBE92D7C32AC16B1516D7E35464" xlink:to="loc_wre_MedicalOfficePortfolioTransactionsIIIIVMember_DFA67FC0E4E74F8C93A11516D7E4EB12" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A5740ColumbiaRoadMember" xlink:label="loc_wre_A5740ColumbiaRoadMember_0C462B40C166874E86C51516D7E45A68" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_235E7BBE92D7C32AC16B1516D7E35464" xlink:to="loc_wre_A5740ColumbiaRoadMember_0C462B40C166874E86C51516D7E45A68" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_AtriumBuildingMember" xlink:label="loc_wre_AtriumBuildingMember_BF3505ED0091202EB86A1516D7E4433B" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_235E7BBE92D7C32AC16B1516D7E35464" xlink:to="loc_wre_AtriumBuildingMember_BF3505ED0091202EB86A1516D7E4433B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MedicalOfficePortfolioTransactionsIIIMember" xlink:label="loc_wre_MedicalOfficePortfolioTransactionsIIIMember_36724AB346140CF4E1701516D7E43911" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_235E7BBE92D7C32AC16B1516D7E35464" xlink:to="loc_wre_MedicalOfficePortfolioTransactionsIIIMember_36724AB346140CF4E1701516D7E43911" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_DullesStationIiMember" xlink:label="loc_wre_DullesStationIiMember_8E64E2A55177E12676E71516D7E41942" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_235E7BBE92D7C32AC16B1516D7E35464" xlink:to="loc_wre_DullesStationIiMember_8E64E2A55177E12676E71516D7E41942" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PercentageOfDistributionOfOrdinaryTaxableIncome" xlink:label="loc_wre_PercentageOfDistributionOfOrdinaryTaxableIncome_77EF332AB3D1579755411516D7E5C0C0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_wre_PercentageOfDistributionOfOrdinaryTaxableIncome_77EF332AB3D1579755411516D7E5C0C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_3EF832F436D10855E85D1516D7E583A4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_3EF832F436D10855E85D1516D7E583A4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_BFDFD2D70830F4E31DD81516D7E56621" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_BFDFD2D70830F4E31DD81516D7E56621" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_DisposalGroupIncludingDiscontinuedOperationGainLossonDisposal" xlink:label="loc_wre_DisposalGroupIncludingDiscontinuedOperationGainLossonDisposal_3B965DDB313F4B9B9F721516D7E5638B" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_wre_DisposalGroupIncludingDiscontinuedOperationGainLossonDisposal_3B965DDB313F4B9B9F721516D7E5638B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_171176A97037F88A2D0E1516D7E593FD" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_171176A97037F88A2D0E1516D7E593FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="loc_us-gaap_DeferredTaxLiabilities_08A563D99A5C5EB53C521516D7E5CA27" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_us-gaap_DeferredTaxLiabilities_08A563D99A5C5EB53C521516D7E5CA27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairmentOfRealEstate" xlink:label="loc_us-gaap_ImpairmentOfRealEstate_F894F659C1D1A875E51B1516D7E50EB0" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_us-gaap_ImpairmentOfRealEstate_F894F659C1D1A875E51B1516D7E50EB0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_611BBD6A6EFA609AC6371516D7E5CBDE" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_611BBD6A6EFA609AC6371516D7E5CBDE" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PercentageOfDividendsPaidOnOrdinaryIncome" xlink:label="loc_wre_PercentageOfDividendsPaidOnOrdinaryIncome_1CD93A9A8C26B93190501516D7E5E074" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_wre_PercentageOfDividendsPaidOnOrdinaryIncome_1CD93A9A8C26B93190501516D7E5E074" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PercentageOfDividendsPaidOnReturnOfCapital" xlink:label="loc_wre_PercentageOfDividendsPaidOnReturnOfCapital_F2371981754056D7AA751516D7E5FC3B" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_wre_PercentageOfDividendsPaidOnReturnOfCapital_F2371981754056D7AA751516D7E5FC3B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PercentageOfDividendsPaidQualifiedDividends" xlink:label="loc_wre_PercentageOfDividendsPaidQualifiedDividends_329118D2832194A361811516D7E62455" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_wre_PercentageOfDividendsPaidQualifiedDividends_329118D2832194A361811516D7E62455" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PercentageOfDividendsPaidOnUnrecapturedSection1250Gain" xlink:label="loc_wre_PercentageOfDividendsPaidOnUnrecapturedSection1250Gain_EC5347C05A4866BE2A461516D7E6E06E" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_wre_PercentageOfDividendsPaidOnUnrecapturedSection1250Gain_EC5347C05A4866BE2A461516D7E6E06E" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PercentageOfDividendsPaidOnCapitalGain" xlink:label="loc_wre_PercentageOfDividendsPaidOnCapitalGain_854F79DECE19E52723B51516D7E69085" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_NatureOfBusinessLineItems_640685F8879EB32A72C51516D7E5EA5E" xlink:to="loc_wre_PercentageOfDividendsPaidOnCapitalGain_854F79DECE19E52723B51516D7E69085" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/NatureOfBusinessTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/NotesPayable" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/NotesPayableDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_44B1100DE14125598CE71516D66E5B1A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:to="loc_us-gaap_DebtInstrumentTable_44B1100DE14125598CE71516D66E5B1A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_C0F2310FF359AA137B831516D66EB905" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_44B1100DE14125598CE71516D66E5B1A" xlink:to="loc_us-gaap_VariableRateAxis_C0F2310FF359AA137B831516D66EB905" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_27DEDC701A7165632C3E1516D66E1826_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_C0F2310FF359AA137B831516D66EB905" xlink:to="loc_us-gaap_VariableRateDomain_27DEDC701A7165632C3E1516D66E1826_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_27DEDC701A7165632C3E1516D66E1826" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_C0F2310FF359AA137B831516D66EB905" xlink:to="loc_us-gaap_VariableRateDomain_27DEDC701A7165632C3E1516D66E1826" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_3964B8C2B605BB630B2F1516D66EF99B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_27DEDC701A7165632C3E1516D66E1826" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_3964B8C2B605BB630B2F1516D66EF99B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_F43F08D909AD36ACEEC61516D66ED3F8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_44B1100DE14125598CE71516D66E5B1A" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_F43F08D909AD36ACEEC61516D66ED3F8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_8C7CF838F19FFD3BB43F1516D66EAEFF_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_F43F08D909AD36ACEEC61516D66ED3F8" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_8C7CF838F19FFD3BB43F1516D66EAEFF_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_8C7CF838F19FFD3BB43F1516D66EAEFF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_F43F08D909AD36ACEEC61516D66ED3F8" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_8C7CF838F19FFD3BB43F1516D66EAEFF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_2B737D77AEB474ED52981516D66E270B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_8C7CF838F19FFD3BB43F1516D66EAEFF" xlink:to="loc_us-gaap_InterestRateSwapMember_2B737D77AEB474ED52981516D66E270B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_8D0C3401917696F2A98F1516D66E6EBC" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_44B1100DE14125598CE71516D66E5B1A" xlink:to="loc_us-gaap_CreditFacilityAxis_8D0C3401917696F2A98F1516D66E6EBC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_881A43525D88643509DC1516D66F11ED_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_8D0C3401917696F2A98F1516D66E6EBC" xlink:to="loc_us-gaap_CreditFacilityDomain_881A43525D88643509DC1516D66F11ED_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_881A43525D88643509DC1516D66F11ED" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_8D0C3401917696F2A98F1516D66E6EBC" xlink:to="loc_us-gaap_CreditFacilityDomain_881A43525D88643509DC1516D66F11ED" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TermLoanMember" xlink:label="loc_wre_TermLoanMember_3E0872ABA87FB2520CBB1516D66F3864" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_881A43525D88643509DC1516D66F11ED" xlink:to="loc_wre_TermLoanMember_3E0872ABA87FB2520CBB1516D66F3864" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_317E483D26D50D9F12641516D66F105B" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_44B1100DE14125598CE71516D66E5B1A" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_317E483D26D50D9F12641516D66F105B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_1C74567DA5365755F2F41516D66FAD04_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_317E483D26D50D9F12641516D66F105B" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_1C74567DA5365755F2F41516D66FAD04_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_1C74567DA5365755F2F41516D66FAD04" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_317E483D26D50D9F12641516D66F105B" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_1C74567DA5365755F2F41516D66FAD04" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_Creditfacility2015Member" xlink:label="loc_wre_Creditfacility2015Member_8B8F7C0BF0524FB683D21516D66F3E57" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_1C74567DA5365755F2F41516D66FAD04" xlink:to="loc_wre_Creditfacility2015Member_8B8F7C0BF0524FB683D21516D66F3E57" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_8C0B598E5D57859607C71516D66FFFC8" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_44B1100DE14125598CE71516D66E5B1A" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_8C0B598E5D57859607C71516D66FFFC8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_DA44A9F5C46017E209141516D66FD233_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8C0B598E5D57859607C71516D66FFFC8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_DA44A9F5C46017E209141516D66FD233_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_DA44A9F5C46017E209141516D66FD233" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8C0B598E5D57859607C71516D66FFFC8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_DA44A9F5C46017E209141516D66FD233" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_B37F4B0D8E17AA5F64111516D66FD71D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_DA44A9F5C46017E209141516D66FD233" xlink:to="loc_us-gaap_UnsecuredDebtMember_B37F4B0D8E17AA5F64111516D66FD71D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_25F4AA09D2B0791A0B431516D66FB2DC" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_44B1100DE14125598CE71516D66E5B1A" xlink:to="loc_us-gaap_DebtInstrumentAxis_25F4AA09D2B0791A0B431516D66FB2DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_31EEEA33B3ACFE1B0D261516D66FB7A8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_25F4AA09D2B0791A0B431516D66FB2DC" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_31EEEA33B3ACFE1B0D261516D66FB7A8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_31EEEA33B3ACFE1B0D261516D66FB7A8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_25F4AA09D2B0791A0B431516D66FB2DC" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_31EEEA33B3ACFE1B0D261516D66FB7A8" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A10YearUnsecuredNotes5053Member" xlink:label="loc_wre_A10YearUnsecuredNotes5053Member_2A71409E0F639E4A98DC1516D6757A46" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_31EEEA33B3ACFE1B0D261516D66FB7A8" xlink:to="loc_wre_A10YearUnsecuredNotes5053Member_2A71409E0F639E4A98DC1516D6757A46" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ThreePointNineFivePercentUnsecuredNotesMember" xlink:label="loc_wre_ThreePointNineFivePercentUnsecuredNotesMember_A233ACFF9906EE0E6A981516D675E01F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_31EEEA33B3ACFE1B0D261516D66FB7A8" xlink:to="loc_wre_ThreePointNineFivePercentUnsecuredNotesMember_A233ACFF9906EE0E6A981516D675E01F" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A20YearUnsecuredNotesMember" xlink:label="loc_wre_A20YearUnsecuredNotesMember_2ED6BF1DB570CA1DEAC61516D6756192" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_31EEEA33B3ACFE1B0D261516D66FB7A8" xlink:to="loc_wre_A20YearUnsecuredNotesMember_2ED6BF1DB570CA1DEAC61516D6756192" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A30YearUnsecuredNotesMemberMember" xlink:label="loc_wre_A30YearUnsecuredNotesMemberMember_55A4D10BC4847CD1C0D31516D675999E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_31EEEA33B3ACFE1B0D261516D66FB7A8" xlink:to="loc_wre_A30YearUnsecuredNotesMemberMember_55A4D10BC4847CD1C0D31516D675999E" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TenYearUnsecuredNotes5.125Member" xlink:label="loc_wre_TenYearUnsecuredNotes5.125Member_132221EE31A28DD14F841516D675D26F" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_31EEEA33B3ACFE1B0D261516D66FB7A8" xlink:to="loc_wre_TenYearUnsecuredNotes5.125Member_132221EE31A28DD14F841516D675D26F" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A10YearUnsecuredNotes534Member" xlink:label="loc_wre_A10YearUnsecuredNotes534Member_DD0FEB4C00C881BDC0481516D6757611" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_31EEEA33B3ACFE1B0D261516D66FB7A8" xlink:to="loc_wre_A10YearUnsecuredNotes534Member_DD0FEB4C00C881BDC0481516D6757611" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_CB7D046DD5F47634BE5C1516D675AA06" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_CB7D046DD5F47634BE5C1516D675AA06" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_CFD55A94534FE8D76A071516D675D2CF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_CFD55A94534FE8D76A071516D675D2CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_E59878AB992409F68C2A1516D675EBF3" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_E59878AB992409F68C2A1516D675EBF3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_C746526423C9816A3D041516D67500C4" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_C746526423C9816A3D041516D67500C4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_997A2D73BE20E5E58C4F1516D6753D9F" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_997A2D73BE20E5E58C4F1516D6753D9F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_3CAACF3A4742D1D36C0D1516D6751F43" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_3CAACF3A4742D1D36C0D1516D6751F43" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NotesPayable" xlink:label="loc_us-gaap_NotesPayable_AF885F11B2A83F01258F1516D6765DB7" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:to="loc_us-gaap_NotesPayable_AF885F11B2A83F01258F1516D6765DB7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="loc_us-gaap_DebtInstrumentMaturityDate_AD18CF374F77D04BDDAC1516D676D36B" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:to="loc_us-gaap_DebtInstrumentMaturityDate_AD18CF374F77D04BDDAC1516D676D36B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermLineOfCredit" xlink:label="loc_us-gaap_LongTermLineOfCredit_E6ECF8C90DF51A84FF621516D6760A3D" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:to="loc_us-gaap_LongTermLineOfCredit_E6ECF8C90DF51A84FF621516D6760A3D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm_B1FC5FFF6AF538F30AFB1516D67654FC" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:to="loc_us-gaap_DebtInstrumentTerm_B1FC5FFF6AF538F30AFB1516D67654FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentTerms" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentTerms_EEF8AE63678F53C45E8D1516D676FFD1" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5A2C569CBE164643FBFF1516D675CECB" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentTerms_EEF8AE63678F53C45E8D1516D676FFD1" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/NotesPayableMaturitiesOfNotesPayableDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_49483463F957756609931516D64BB79F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_D9835CA9C9AA1A4C904E1516D64AE4B9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_49483463F957756609931516D64BB79F" xlink:to="loc_us-gaap_DebtInstrumentTable_D9835CA9C9AA1A4C904E1516D64AE4B9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_31A5403C89FEFC9B24151516D64A9D29" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_D9835CA9C9AA1A4C904E1516D64AE4B9" xlink:to="loc_us-gaap_CreditFacilityAxis_31A5403C89FEFC9B24151516D64A9D29" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_00BFB775D4A6CC74D0E51516D64B3051_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_31A5403C89FEFC9B24151516D64A9D29" xlink:to="loc_us-gaap_CreditFacilityDomain_00BFB775D4A6CC74D0E51516D64B3051_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_00BFB775D4A6CC74D0E51516D64B3051" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_31A5403C89FEFC9B24151516D64A9D29" xlink:to="loc_us-gaap_CreditFacilityDomain_00BFB775D4A6CC74D0E51516D64B3051" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TermLoanMember" xlink:label="loc_wre_TermLoanMember_87ACC5DA8DBE905DF4781516D64B0AFA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_00BFB775D4A6CC74D0E51516D64B3051" xlink:to="loc_wre_TermLoanMember_87ACC5DA8DBE905DF4781516D64B0AFA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_AF88882E36D43E20897A1516D64BE545" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_D9835CA9C9AA1A4C904E1516D64AE4B9" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_AF88882E36D43E20897A1516D64BE545" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_00CB71CE72AACB22DCD81516D64BD62E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_AF88882E36D43E20897A1516D64BE545" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_00CB71CE72AACB22DCD81516D64BD62E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_00CB71CE72AACB22DCD81516D64BD62E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_AF88882E36D43E20897A1516D64BE545" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_00CB71CE72AACB22DCD81516D64BD62E" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_Creditfacility2015Member" xlink:label="loc_wre_Creditfacility2015Member_ADD0AC77A9F88673EE531516D64B99B9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_00CB71CE72AACB22DCD81516D64BD62E" xlink:to="loc_wre_Creditfacility2015Member_ADD0AC77A9F88673EE531516D64B99B9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_20EC482F611038FE7F9D1516D64B817D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_D9835CA9C9AA1A4C904E1516D64AE4B9" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_20EC482F611038FE7F9D1516D64B817D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8E5AF7D485C8B9603C721548BD3F8D89_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_20EC482F611038FE7F9D1516D64B817D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8E5AF7D485C8B9603C721548BD3F8D89_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8E5AF7D485C8B9603C721548BD3F8D89" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_20EC482F611038FE7F9D1516D64B817D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8E5AF7D485C8B9603C721548BD3F8D89" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_1C48ABE53B25CD2BE5291516D64B7F24" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8E5AF7D485C8B9603C721548BD3F8D89" xlink:to="loc_us-gaap_UnsecuredDebtMember_1C48ABE53B25CD2BE5291516D64B7F24" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermLineOfCredit" xlink:label="loc_us-gaap_LongTermLineOfCredit_B272C54228CE94DCA56A1516D64B0AC7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_49483463F957756609931516D64BB79F" xlink:to="loc_us-gaap_LongTermLineOfCredit_B272C54228CE94DCA56A1516D64B0AC7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtByMaturityAbstract" xlink:label="loc_us-gaap_LongTermDebtByMaturityAbstract_633A5B9CE79A0440FAC81516D64CA259" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_49483463F957756609931516D64BB79F" xlink:to="loc_us-gaap_LongTermDebtByMaturityAbstract_633A5B9CE79A0440FAC81516D64CA259" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_B17211E255E5DC8E53341516D64C4873" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_633A5B9CE79A0440FAC81516D64CA259" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_B17211E255E5DC8E53341516D64C4873" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_492C5B9FE3E014A36C891516D64C314E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_633A5B9CE79A0440FAC81516D64CA259" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_492C5B9FE3E014A36C891516D64C314E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_4753C78E37AF8420F6751516D64C5A64" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_633A5B9CE79A0440FAC81516D64CA259" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_4753C78E37AF8420F6751516D64C5A64" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_49B10FB4D42A5610D3101516D64CD6E8" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_633A5B9CE79A0440FAC81516D64CA259" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_49B10FB4D42A5610D3101516D64CD6E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_5894162A18C328BAA8A41516D64DA33E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_633A5B9CE79A0440FAC81516D64CA259" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_5894162A18C328BAA8A41516D64DA33E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_A337F7FA5E23D3D4A8901516D64DD52C" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_633A5B9CE79A0440FAC81516D64CA259" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_A337F7FA5E23D3D4A8901516D64DD52C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_5D841FCE3FD6E1EE8F7F1516D64D6EE3" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_633A5B9CE79A0440FAC81516D64CA259" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_5D841FCE3FD6E1EE8F7F1516D64D6EE3" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/NotesPayableTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/OtherBenefitPlans" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/OtherBenefitPlansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsLineItems" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsLineItems_CA10880FDE2D25362D221516D54540F4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable" xlink:label="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable_CF35EBD182F497D852EB1516D5445A80" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsLineItems_CA10880FDE2D25362D221516D54540F4" xlink:to="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable_CF35EBD182F497D852EB1516D5445A80" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_us-gaap_TitleOfIndividualAxis_52E4DEA28607270656071516D5440A63" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable_CF35EBD182F497D852EB1516D5445A80" xlink:to="loc_us-gaap_TitleOfIndividualAxis_52E4DEA28607270656071516D5440A63" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_EBE236CD4D0A05FDAF891516D544E78B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TitleOfIndividualAxis_52E4DEA28607270656071516D5440A63" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_EBE236CD4D0A05FDAF891516D544E78B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_EBE236CD4D0A05FDAF891516D544E78B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TitleOfIndividualAxis_52E4DEA28607270656071516D5440A63" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_EBE236CD4D0A05FDAF891516D544E78B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OfficerMember" xlink:label="loc_us-gaap_OfficerMember_78F5FD1D8B6F732410E61516D545F9A0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_EBE236CD4D0A05FDAF891516D544E78B" xlink:to="loc_us-gaap_OfficerMember_78F5FD1D8B6F732410E61516D545F9A0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:label="loc_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_247BA3622BDEAEEE12921516D5458134" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsLineItems_CA10880FDE2D25362D221516D54540F4" xlink:to="loc_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_247BA3622BDEAEEE12921516D5458134" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_452202C8B5E8F67030381516D545D90D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsLineItems_CA10880FDE2D25362D221516D54540F4" xlink:to="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_452202C8B5E8F67030381516D545D90D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_FBF8C5386441ACD6AEEE1516D545A21E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsLineItems_CA10880FDE2D25362D221516D54540F4" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_FBF8C5386441ACD6AEEE1516D545A21E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_41DBC6A8497929B6AB9F1516D54527BB" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsLineItems_CA10880FDE2D25362D221516D54540F4" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_41DBC6A8497929B6AB9F1516D54527BB" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/RealEstateInvestments" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/RealEstateInvestmentsAcquistionsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_EC009C430D72C025A56A19D689947A72" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_EC009C430D72C025A56A19D689947A72" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_17B0320795392710BFE419D6899441DB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_EC009C430D72C025A56A19D689947A72" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_17B0320795392710BFE419D6899441DB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_96EA2EDEC161E4305EA219D68999AAA2_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_17B0320795392710BFE419D6899441DB" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_96EA2EDEC161E4305EA219D68999AAA2_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_96EA2EDEC161E4305EA219D68999AAA2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_17B0320795392710BFE419D6899441DB" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_96EA2EDEC161E4305EA219D68999AAA2" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PropertyAcquiredMember" xlink:label="loc_wre_PropertyAcquiredMember_F8BEA2FE6E8A34277DE219D68999190B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_96EA2EDEC161E4305EA219D68999AAA2" xlink:to="loc_wre_PropertyAcquiredMember_F8BEA2FE6E8A34277DE219D68999190B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_55F72A8AA203C7F5874619D689995168" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_EC009C430D72C025A56A19D689947A72" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_55F72A8AA203C7F5874619D689995168" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D49CADD04E0459389BAC19D68999E52C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_55F72A8AA203C7F5874619D689995168" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D49CADD04E0459389BAC19D68999E52C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D49CADD04E0459389BAC19D68999E52C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_55F72A8AA203C7F5874619D689995168" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D49CADD04E0459389BAC19D68999E52C" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WellingtonMember" xlink:label="loc_wre_WellingtonMember_07D5CFEFB5FF0990D31A19D68999CC25" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D49CADD04E0459389BAC19D68999E52C" xlink:to="loc_wre_WellingtonMember_07D5CFEFB5FF0990D31A19D68999CC25" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_YaleWestMember" xlink:label="loc_wre_YaleWestMember_229575CAE05D7EAB646919D68999E220" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D49CADD04E0459389BAC19D68999E52C" xlink:to="loc_wre_YaleWestMember_229575CAE05D7EAB646919D68999E220" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TheArmyNavyClubBuildingMember" xlink:label="loc_wre_TheArmyNavyClubBuildingMember_0B9C0E0C0672A5271B4119D6899976AC" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D49CADD04E0459389BAC19D68999E52C" xlink:to="loc_wre_TheArmyNavyClubBuildingMember_0B9C0E0C0672A5271B4119D6899976AC" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A1775EyeStreetMember" xlink:label="loc_wre_A1775EyeStreetMember_5A6EA20863AAD683292C19D6899A6BF0" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D49CADD04E0459389BAC19D68999E52C" xlink:to="loc_wre_A1775EyeStreetMember_5A6EA20863AAD683292C19D6899A6BF0" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_SpringVallyRetailCenterMember" xlink:label="loc_wre_SpringVallyRetailCenterMember_480376C0255EBC9A74F219D6899A1A8A" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D49CADD04E0459389BAC19D68999E52C" xlink:to="loc_wre_SpringVallyRetailCenterMember_480376C0255EBC9A74F219D6899A1A8A" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TheParamountMember" xlink:label="loc_wre_TheParamountMember_FF886249F9E40C5E99D019D6899A2E7F" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D49CADD04E0459389BAC19D68999E52C" xlink:to="loc_wre_TheParamountMember_FF886249F9E40C5E99D019D6899A2E7F" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FairgateAtBallstonMember" xlink:label="loc_wre_FairgateAtBallstonMember_D38DC6CDB91B8034CC8519D6899A6136" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D49CADD04E0459389BAC19D68999E52C" xlink:to="loc_wre_FairgateAtBallstonMember_D38DC6CDB91B8034CC8519D6899A6136" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WeightedRemainingAverageLifeComponentsAxis" xlink:label="loc_wre_WeightedRemainingAverageLifeComponentsAxis_26B86F8D710AD7DC2CB719D6899ABB84" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_EC009C430D72C025A56A19D689947A72" xlink:to="loc_wre_WeightedRemainingAverageLifeComponentsAxis_26B86F8D710AD7DC2CB719D6899ABB84" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WeightedRemainingAverageLifeComponentsDomain" xlink:label="loc_wre_WeightedRemainingAverageLifeComponentsDomain_04618D8E23DF1663AF3F19D6899A0F32_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_wre_WeightedRemainingAverageLifeComponentsAxis_26B86F8D710AD7DC2CB719D6899ABB84" xlink:to="loc_wre_WeightedRemainingAverageLifeComponentsDomain_04618D8E23DF1663AF3F19D6899A0F32_default" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WeightedRemainingAverageLifeComponentsDomain" xlink:label="loc_wre_WeightedRemainingAverageLifeComponentsDomain_04618D8E23DF1663AF3F19D6899A0F32" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_wre_WeightedRemainingAverageLifeComponentsAxis_26B86F8D710AD7DC2CB719D6899ABB84" xlink:to="loc_wre_WeightedRemainingAverageLifeComponentsDomain_04618D8E23DF1663AF3F19D6899A0F32" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TenantOriginationCostsMember" xlink:label="loc_wre_TenantOriginationCostsMember_4E7A5C4554175018279F19D6899A0BFB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_WeightedRemainingAverageLifeComponentsDomain_04618D8E23DF1663AF3F19D6899A0F32" xlink:to="loc_wre_TenantOriginationCostsMember_4E7A5C4554175018279F19D6899A0BFB" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_LeasingCommissionsAbsorptionCostsMember" xlink:label="loc_wre_LeasingCommissionsAbsorptionCostsMember_C00F9F2AD4E16C4F8CF519D6899AC214" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_WeightedRemainingAverageLifeComponentsDomain_04618D8E23DF1663AF3F19D6899A0F32" xlink:to="loc_wre_LeasingCommissionsAbsorptionCostsMember_C00F9F2AD4E16C4F8CF519D6899AC214" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NetLeaseIntangibleAssetsMember" xlink:label="loc_wre_NetLeaseIntangibleAssetsMember_3D060120529617E39D9419D6899A059F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_WeightedRemainingAverageLifeComponentsDomain_04618D8E23DF1663AF3F19D6899A0F32" xlink:to="loc_wre_NetLeaseIntangibleAssetsMember_3D060120529617E39D9419D6899A059F" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NetLeaseIntangibleLiabilitiesMember" xlink:label="loc_wre_NetLeaseIntangibleLiabilitiesMember_3DEAE69668CF5155D96919D6899A4D14" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_WeightedRemainingAverageLifeComponentsDomain_04618D8E23DF1663AF3F19D6899A0F32" xlink:to="loc_wre_NetLeaseIntangibleLiabilitiesMember_3DEAE69668CF5155D96919D6899A4D14" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansPayable" xlink:label="loc_us-gaap_LoansPayable_8DC5CF02FB0DBF80283B19D6899A0DDB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_LoansPayable_8DC5CF02FB0DBF80283B19D6899A0DDB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NumberOfUnitsInRealEstateProperty" xlink:label="loc_us-gaap_NumberOfUnitsInRealEstateProperty_6DB8A24EC1292FD2DBF319D6899A7437" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_NumberOfUnitsInRealEstateProperty_6DB8A24EC1292FD2DBF319D6899A7437" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_0965FCCEDC938D8B204C19D6899ADE5E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_SecuredDebt_0965FCCEDC938D8B204C19D6899ADE5E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairmentOfRealEstate" xlink:label="loc_us-gaap_ImpairmentOfRealEstate_B2701D30C7AED16611AA19D6899A6480" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_ImpairmentOfRealEstate_B2701D30C7AED16611AA19D6899A6480" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets" xlink:label="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_86915852355AADC7DA6D19D6899BFB85" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_86915852355AADC7DA6D19D6899BFB85" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_SquareFootageOfRealEstatePropertyAcquired" xlink:label="loc_wre_SquareFootageOfRealEstatePropertyAcquired_B976BD012870743E23FC19D6899B6773" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_wre_SquareFootageOfRealEstatePropertyAcquired_B976BD012870743E23FC19D6899B6773" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAtCost" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAtCost_C29E542E9E694F8DDA3819D6899BE37B" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyAtCost_C29E542E9E694F8DDA3819D6899BE37B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateRevenueNet" xlink:label="loc_us-gaap_RealEstateRevenueNet_E722DDE94AD591EE122719D6899B5D15" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_RealEstateRevenueNet_E722DDE94AD591EE122719D6899B5D15" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_D30983AAC798D34652B119D6899B8CD5" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_ProfitLoss_D30983AAC798D34652B119D6899B8CD5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireLandHeldForUse" xlink:label="loc_us-gaap_PaymentsToAcquireLandHeldForUse_945639ECE7DC98C7B51919D6899B012C" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_PaymentsToAcquireLandHeldForUse_945639ECE7DC98C7B51919D6899B012C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireRealEstateAndRealEstateJointVentures" xlink:label="loc_us-gaap_PaymentsToAcquireRealEstateAndRealEstateJointVentures_F7CDC855F31AA9B2A22C19D6899B4201" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_PaymentsToAcquireRealEstateAndRealEstateJointVentures_F7CDC855F31AA9B2A22C19D6899B4201" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireBuildings" xlink:label="loc_us-gaap_PaymentsToAcquireBuildings_4DA0A39E17302DA831E019D6899B058E" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_PaymentsToAcquireBuildings_4DA0A39E17302DA831E019D6899B058E" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TenantOriginationCosts" xlink:label="loc_wre_TenantOriginationCosts_9DBE9F0EAAC5DADE1D4F19D6899B1F8B" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_wre_TenantOriginationCosts_9DBE9F0EAAC5DADE1D4F19D6899B1F8B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_LeasingCommissionsAbsorptionCosts" xlink:label="loc_wre_LeasingCommissionsAbsorptionCosts_677A0159EBB742C28DC519D6899B0A8B" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_wre_LeasingCommissionsAbsorptionCosts_677A0159EBB742C28DC519D6899B0A8B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NetLeaseIntangibleAssets" xlink:label="loc_wre_NetLeaseIntangibleAssets_3BF01C1858FD9EDD957D19D6899B603D" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_wre_NetLeaseIntangibleAssets_3BF01C1858FD9EDD957D19D6899B603D" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NetLeaseIntangibleLiabilities" xlink:label="loc_wre_NetLeaseIntangibleLiabilities_9348A65DE4659D7EBC8719D6899BDA8F" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_wre_NetLeaseIntangibleLiabilities_9348A65DE4659D7EBC8719D6899BDA8F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_09C10B7E77FA1B00534419D6899BDF41" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_09C10B7E77FA1B00534419D6899BDF41" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_75FF8C61D2C2BC069E9A19D6899BF139" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_75FF8C61D2C2BC069E9A19D6899BF139" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireRealEstate" xlink:label="loc_us-gaap_PaymentsToAcquireRealEstate_66ACD0739C5ADD6ABEC019D6899BA4F5" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_PaymentsToAcquireRealEstate_66ACD0739C5ADD6ABEC019D6899BA4F5" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NumberOfMortgageNotesAssumed" xlink:label="loc_wre_NumberOfMortgageNotesAssumed_3B8AA0FA79E54E350DE419D6899B3CCB" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_wre_NumberOfMortgageNotesAssumed_3B8AA0FA79E54E350DE419D6899B3CCB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NotesAssumed1" xlink:label="loc_us-gaap_NotesAssumed1_97E4DBFD48D4495A8A0F19D6899C54AC" xlink:type="locator" />
    <definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_NotesAssumed1_97E4DBFD48D4495A8A0F19D6899C54AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherPaymentsToAcquireBusinesses" xlink:label="loc_us-gaap_OtherPaymentsToAcquireBusinesses_988B3E9B0B19AC4ABEE319D6899CEDC6" xlink:type="locator" />
    <definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_OtherPaymentsToAcquireBusinesses_988B3E9B0B19AC4ABEE319D6899CEDC6" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RealEstateInvestmentPropertyatCostIncludingNotePayableAssumed" xlink:label="loc_wre_RealEstateInvestmentPropertyatCostIncludingNotePayableAssumed_4E30CB938249680C553819D6899CA7B9" xlink:type="locator" />
    <definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_wre_RealEstateInvestmentPropertyatCostIncludingNotePayableAssumed_4E30CB938249680C553819D6899CA7B9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_8C28B8AFFA5E05FC175219D6899CBD2B" xlink:type="locator" />
    <definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_8C28B8AFFA5E05FC175219D6899CBD2B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax_C687AD044CA9514EC07819D6899C9BFA" xlink:type="locator" />
    <definitionArc order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax_C687AD044CA9514EC07819D6899C9BFA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_2C6235B9677477949E3819D6899C303D" xlink:type="locator" />
    <definitionArc order="26" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_2C6235B9677477949E3819D6899C303D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_87F721F081113088B39019D6899CDB4F" xlink:type="locator" />
    <definitionArc order="27" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_87F721F081113088B39019D6899CDB4F" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RealEstateInvestmentPropertyatCostNetofAdjustments" xlink:label="loc_wre_RealEstateInvestmentPropertyatCostNetofAdjustments_8A1C398E08945BA59D7F19D6899CC2F1" xlink:type="locator" />
    <definitionArc order="28" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_DDD3894A511A9976BEA519D6899A8957" xlink:to="loc_wre_RealEstateInvestmentPropertyatCostNetofAdjustments_8A1C398E08945BA59D7F19D6899CC2F1" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/RealEstateInvestmentsContinuingOperationsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstatePropertiesLineItems" xlink:label="loc_us-gaap_RealEstatePropertiesLineItems_B6D53B1002ABB1DA45D71516D778DF1C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRealEstatePropertiesTable" xlink:label="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_9B767BFC48EB94559D7D1516D77721C9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_B6D53B1002ABB1DA45D71516D778DF1C" xlink:to="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_9B767BFC48EB94559D7D1516D77721C9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_D3DC66C0544750CD69611516D777CB31" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_9B767BFC48EB94559D7D1516D77721C9" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_D3DC66C0544750CD69611516D777CB31" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_39F20BE866F973764EDC1516D77799BB_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_D3DC66C0544750CD69611516D777CB31" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_39F20BE866F973764EDC1516D77799BB_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_39F20BE866F973764EDC1516D77799BB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_D3DC66C0544750CD69611516D777CB31" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_39F20BE866F973764EDC1516D77799BB" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A7900WestparkDriveMember" xlink:label="loc_wre_A7900WestparkDriveMember_C3BB30707B7E9C6708B21516D7779B5D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_39F20BE866F973764EDC1516D77799BB" xlink:to="loc_wre_A7900WestparkDriveMember_C3BB30707B7E9C6708B21516D7779B5D" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_SixFiftyNorthGlebeRoadMember" xlink:label="loc_wre_SixFiftyNorthGlebeRoadMember_3DD5EF673D0135257E371516D777B912" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_39F20BE866F973764EDC1516D77799BB" xlink:to="loc_wre_SixFiftyNorthGlebeRoadMember_3DD5EF673D0135257E371516D777B912" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_85CFE884727E5199082B1516D7788246" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_9B767BFC48EB94559D7D1516D77721C9" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_85CFE884727E5199082B1516D7788246" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_F75E28537A179AFD6E981516D778C7EB_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_85CFE884727E5199082B1516D7788246" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_F75E28537A179AFD6E981516D778C7EB_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_F75E28537A179AFD6E981516D778C7EB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_85CFE884727E5199082B1516D7788246" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_F75E28537A179AFD6E981516D778C7EB" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_OfficeMember" xlink:label="loc_wre_OfficeMember_86CD3DBE8A40A85AA4D81516D7780924" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_F75E28537A179AFD6E981516D778C7EB" xlink:to="loc_wre_OfficeMember_86CD3DBE8A40A85AA4D81516D7780924" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RetailMember" xlink:label="loc_wre_RetailMember_5B80B51FDA79BE46FA9F1516D77846C2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_F75E28537A179AFD6E981516D778C7EB" xlink:to="loc_wre_RetailMember_5B80B51FDA79BE46FA9F1516D77846C2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultifamilyMember" xlink:label="loc_us-gaap_MultifamilyMember_78DD56CE2FCA71B7AF511516D77800A1" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_F75E28537A179AFD6E981516D778C7EB" xlink:to="loc_us-gaap_MultifamilyMember_78DD56CE2FCA71B7AF511516D77800A1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAtCost" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAtCost_A2AF8B68CD31A4CF69081516D7789E01" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_B6D53B1002ABB1DA45D71516D778DF1C" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyAtCost_A2AF8B68CD31A4CF69081516D7789E01" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DevelopmentInProcess" xlink:label="loc_us-gaap_DevelopmentInProcess_DD716D016575BD2B280C1516D77814ED" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_B6D53B1002ABB1DA45D71516D778DF1C" xlink:to="loc_us-gaap_DevelopmentInProcess_DD716D016575BD2B280C1516D77814ED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets" xlink:label="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_D35BB35412F394EF44E51516D77810F8" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_B6D53B1002ABB1DA45D71516D778DF1C" xlink:to="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_D35BB35412F394EF44E51516D77810F8" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/RealEstateInvestmentsNoncontrollingInterestsInSubsidiariesAndViesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstatePropertiesLineItems" xlink:label="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRealEstatePropertiesTable" xlink:label="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_6CA5562A14F861ADAF6D19D68974AEE7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_6CA5562A14F861ADAF6D19D68974AEE7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_CA5E13EB065C53110F1819D68975F578" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_6CA5562A14F861ADAF6D19D68974AEE7" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_CA5E13EB065C53110F1819D68975F578" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_28F23239E20C29078B3C19D68975F840_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_CA5E13EB065C53110F1819D68975F578" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_28F23239E20C29078B3C19D68975F840_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_28F23239E20C29078B3C19D68975F840" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_CA5E13EB065C53110F1819D68975F578" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_28F23239E20C29078B3C19D68975F840" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultifamilyMember" xlink:label="loc_us-gaap_MultifamilyMember_69D5D1D75A160671C0B319D6897503D1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_28F23239E20C29078B3C19D68975F840" xlink:to="loc_us-gaap_MultifamilyMember_69D5D1D75A160671C0B319D6897503D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_70AC5597ABE4F7812AAD19D689757E7A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_6CA5562A14F861ADAF6D19D68974AEE7" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_70AC5597ABE4F7812AAD19D689757E7A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_FD211D08F322FAE930CE19D689752844_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_70AC5597ABE4F7812AAD19D689757E7A" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_FD211D08F322FAE930CE19D689752844_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_FD211D08F322FAE930CE19D689752844" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_70AC5597ABE4F7812AAD19D689757E7A" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_FD211D08F322FAE930CE19D689752844" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A4661KenmoreAvenueMember" xlink:label="loc_wre_A4661KenmoreAvenueMember_002203A4F00CBAA03E8419D6897548D9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_FD211D08F322FAE930CE19D689752844" xlink:to="loc_wre_A4661KenmoreAvenueMember_002203A4F00CBAA03E8419D6897548D9" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_SixFiftyNorthGlebeRoadMember" xlink:label="loc_wre_SixFiftyNorthGlebeRoadMember_B58F920FEAD1CCBBBE8219D689750296" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_FD211D08F322FAE930CE19D689752844" xlink:to="loc_wre_SixFiftyNorthGlebeRoadMember_B58F920FEAD1CCBBBE8219D689750296" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FirstStreet1225Member" xlink:label="loc_wre_FirstStreet1225Member_CFE8B2650B435DBDEA2219D68975D05B" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_FD211D08F322FAE930CE19D689752844" xlink:to="loc_wre_FirstStreet1225Member_CFE8B2650B435DBDEA2219D68975D05B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_028FDBCDE963D0D5609019D68975D9C6" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_6CA5562A14F861ADAF6D19D68974AEE7" xlink:to="loc_us-gaap_RangeAxis_028FDBCDE963D0D5609019D68975D9C6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_2273A4910BD065BAA71619D68975312D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_028FDBCDE963D0D5609019D68975D9C6" xlink:to="loc_us-gaap_RangeMember_2273A4910BD065BAA71619D68975312D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_2273A4910BD065BAA71619D68975312D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_028FDBCDE963D0D5609019D68975D9C6" xlink:to="loc_us-gaap_RangeMember_2273A4910BD065BAA71619D68975312D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_60FB2C84E18532FFD76E19D689753C4B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_2273A4910BD065BAA71619D68975312D" xlink:to="loc_us-gaap_MinimumMember_60FB2C84E18532FFD76E19D689753C4B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_B7BE26B4E08C364B383819D6897A9981" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_2273A4910BD065BAA71619D68975312D" xlink:to="loc_us-gaap_MaximumMember_B7BE26B4E08C364B383819D6897A9981" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_LandAcresHeld" xlink:label="loc_wre_LandAcresHeld_1AE77E4247055A6B8C8919D6897BD9F2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_wre_LandAcresHeld_1AE77E4247055A6B8C8919D6897BD9F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage" xlink:label="loc_us-gaap_VariableInterestEntityOwnershipPercentage_5154EDCEA7B1770D1D7719D6897B3DC8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_VariableInterestEntityOwnershipPercentage_5154EDCEA7B1770D1D7719D6897B3DC8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_4BDB4830BBF723F6E89B19D6897BA63B" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_4BDB4830BBF723F6E89B19D6897BA63B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairmentOfRealEstate" xlink:label="loc_us-gaap_ImpairmentOfRealEstate_BFCCE7AF855B0328D54D19D6897B516A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_ImpairmentOfRealEstate_BFCCE7AF855B0328D54D19D6897B516A" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_DisposalGroupNotDiscontinuedOperationSalePrice" xlink:label="loc_wre_DisposalGroupNotDiscontinuedOperationSalePrice_366E2B6E60161FF5201019D6897BC36E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_wre_DisposalGroupNotDiscontinuedOperationSalePrice_366E2B6E60161FF5201019D6897BC36E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets" xlink:label="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_193FE7E5C08A876FED1A19D6897B2FFE" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_193FE7E5C08A876FED1A19D6897B2FFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Land" xlink:label="loc_us-gaap_Land_6C0F094BB03D28926DE519D6897B73C8" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_Land_6C0F094BB03D28926DE519D6897B73C8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InvestmentBuildingAndBuildingImprovements" xlink:label="loc_us-gaap_InvestmentBuildingAndBuildingImprovements_47D14C17BA1AD62E018719D6897B2906" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_InvestmentBuildingAndBuildingImprovements_47D14C17BA1AD62E018719D6897B2906" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_07AD43DBE7A2CAA71C3E19D6897BE1C8" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_07AD43DBE7A2CAA71C3E19D6897BE1C8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DevelopmentInProcess" xlink:label="loc_us-gaap_DevelopmentInProcess_2D412BAAC24B915B05E419D6897BEAB4" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_DevelopmentInProcess_2D412BAAC24B915B05E419D6897BEAB4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateInvestmentsJointVentures" xlink:label="loc_us-gaap_RealEstateInvestmentsJointVentures_26E99D5AA19EF796243E19D6897B4F39" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_RealEstateInvestmentsJointVentures_26E99D5AA19EF796243E19D6897B4F39" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_0F8500DBBC2A1F8C5E9419D6897B957D" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_SecuredDebt_0F8500DBBC2A1F8C5E9419D6897B957D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_4EA69F081D576503B53619D6897B925C" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_4EA69F081D576503B53619D6897B925C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecurityDepositLiability" xlink:label="loc_us-gaap_SecurityDepositLiability_5531FFA2FECE491FEB6219D6897B3D34" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_SecurityDepositLiability_5531FFA2FECE491FEB6219D6897B3D34" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableInterestEntityClassificationOfCarryingAmountLiabilities" xlink:label="loc_us-gaap_VariableInterestEntityClassificationOfCarryingAmountLiabilities_4BDA10D13C7F17DCE6EF19D6897BE3C2" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_ADB762C1D497786DA80E19D6897BDA97" xlink:to="loc_us-gaap_VariableInterestEntityClassificationOfCarryingAmountLiabilities_4BDA10D13C7F17DCE6EF19D6897BE3C2" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/RealEstateInvestmentsPropertiesSoldOrHeldForSaleDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_97E2DC1BD21F6292B5E019D6895C1202" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_97E2DC1BD21F6292B5E019D6895C1202" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_2E942B7F39D8E4A28C7C19D6895C3EC1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_97E2DC1BD21F6292B5E019D6895C1202" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_2E942B7F39D8E4A28C7C19D6895C3EC1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_66F2D7A935057F8CE04C19D6895CF2C7_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_2E942B7F39D8E4A28C7C19D6895C3EC1" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_66F2D7A935057F8CE04C19D6895CF2C7_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_66F2D7A935057F8CE04C19D6895CF2C7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_2E942B7F39D8E4A28C7C19D6895C3EC1" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_66F2D7A935057F8CE04C19D6895CF2C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultifamilyMember" xlink:label="loc_us-gaap_MultifamilyMember_E8876CA2F83E5B7398F519D6895C8E8C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_66F2D7A935057F8CE04C19D6895CF2C7" xlink:to="loc_us-gaap_MultifamilyMember_E8876CA2F83E5B7398F519D6895C8E8C" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MedicalOfficeBuildingMember" xlink:label="loc_wre_MedicalOfficeBuildingMember_5FE675FF97AAFA3D8F3B19D6895CD45D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_66F2D7A935057F8CE04C19D6895CF2C7" xlink:to="loc_wre_MedicalOfficeBuildingMember_5FE675FF97AAFA3D8F3B19D6895CD45D" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RetailMember" xlink:label="loc_wre_RetailMember_C821EB1F37C807DF350E19D6895CCFCA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_66F2D7A935057F8CE04C19D6895CF2C7" xlink:to="loc_wre_RetailMember_C821EB1F37C807DF350E19D6895CCFCA" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_OfficeMember" xlink:label="loc_wre_OfficeMember_50EA4087BD5D4C32E2DF19D6895C86A6" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_66F2D7A935057F8CE04C19D6895CF2C7" xlink:to="loc_wre_OfficeMember_50EA4087BD5D4C32E2DF19D6895C86A6" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MedicalOfficeAndOfficeBuildingMember" xlink:label="loc_wre_MedicalOfficeAndOfficeBuildingMember_C6862C3CD901709DB0B319D6895DD692" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_66F2D7A935057F8CE04C19D6895CF2C7" xlink:to="loc_wre_MedicalOfficeAndOfficeBuildingMember_C6862C3CD901709DB0B319D6895DD692" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_ADF9602BEA0E761605E919D6895DF011" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_97E2DC1BD21F6292B5E019D6895C1202" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_ADF9602BEA0E761605E919D6895DF011" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_3520449CA84E9E8D507B19D6895D27FE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_ADF9602BEA0E761605E919D6895DF011" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_3520449CA84E9E8D507B19D6895D27FE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_3520449CA84E9E8D507B19D6895D27FE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_ADF9602BEA0E761605E919D6895DF011" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_3520449CA84E9E8D507B19D6895D27FE" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MedicalOfficePorfolioMember" xlink:label="loc_wre_MedicalOfficePorfolioMember_8E9B3629AA2B1D9EC67719D6895DE1C7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_3520449CA84E9E8D507B19D6895D27FE" xlink:to="loc_wre_MedicalOfficePorfolioMember_8E9B3629AA2B1D9EC67719D6895DE1C7" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_DiscontinuedPropertiesMember" xlink:label="loc_wre_DiscontinuedPropertiesMember_1A949AFB1F633516181E19D6895DE1B2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_3520449CA84E9E8D507B19D6895D27FE" xlink:to="loc_wre_DiscontinuedPropertiesMember_1A949AFB1F633516181E19D6895DE1B2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_5E0587554AF5D60CADC919D6895D11A4" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_97E2DC1BD21F6292B5E019D6895C1202" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_5E0587554AF5D60CADC919D6895D11A4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_5E0587554AF5D60CADC919D6895D11A4" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_5E0587554AF5D60CADC919D6895D11A4" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WellingtonMember" xlink:label="loc_wre_WellingtonMember_609AA14BF871332DC2F219D6895D14A2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:to="loc_wre_WellingtonMember_609AA14BF871332DC2F219D6895D14A2" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_CountryClubTowersMember" xlink:label="loc_wre_CountryClubTowersMember_63D8EB4A2F17517CC04019D6895D9A97" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:to="loc_wre_CountryClubTowersMember_63D8EB4A2F17517CC04019D6895D9A97" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FirstStreet1225Member" xlink:label="loc_wre_FirstStreet1225Member_F56B484708DAD55DD06219D6895D9A4A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:to="loc_wre_FirstStreet1225Member_F56B484708DAD55DD06219D6895D9A4A" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MunsonHillTowersMember" xlink:label="loc_wre_MunsonHillTowersMember_60C8BBA046B52779572C19D6895D9A23" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:to="loc_wre_MunsonHillTowersMember_60C8BBA046B52779572C19D6895D9A23" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MontgomeryVillageCenterMember" xlink:label="loc_wre_MontgomeryVillageCenterMember_60992DC80F7353C26CF219D6895D2388" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:to="loc_wre_MontgomeryVillageCenterMember_60992DC80F7353C26CF219D6895D2388" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MedicalOfficePortfolioTransactionsIIIIVMember" xlink:label="loc_wre_MedicalOfficePortfolioTransactionsIIIIVMember_2A67D1C051E38389EFDD19D6895D6894" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:to="loc_wre_MedicalOfficePortfolioTransactionsIIIIVMember_2A67D1C051E38389EFDD19D6895D6894" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_Gateway711Member" xlink:label="loc_wre_Gateway711Member_F812014CCA4C3BCC2A4219D6895D64C6" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:to="loc_wre_Gateway711Member_F812014CCA4C3BCC2A4219D6895D64C6" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_AtriumBuildingMember" xlink:label="loc_wre_AtriumBuildingMember_1FCAC49A689FF2EB933619D6895D9D5C" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:to="loc_wre_AtriumBuildingMember_1FCAC49A689FF2EB933619D6895D9D5C" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MedicalOfficePortfolioTransactionsIIIMember" xlink:label="loc_wre_MedicalOfficePortfolioTransactionsIIIMember_11F46908822128767EFB19D6895D48C9" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:to="loc_wre_MedicalOfficePortfolioTransactionsIIIMember_11F46908822128767EFB19D6895D48C9" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MedicalOfficePorfolioMember" xlink:label="loc_wre_MedicalOfficePorfolioMember_C2DB1A1318BDFDA089EB19D6895D2E33" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:to="loc_wre_MedicalOfficePorfolioMember_C2DB1A1318BDFDA089EB19D6895D2E33" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MontroseShoppingCenterMember" xlink:label="loc_wre_MontroseShoppingCenterMember_9DC7B640AC866FEA52E319D6895EC94D" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4C0972DF53979104B21019D6895D8CF8" xlink:to="loc_wre_MontroseShoppingCenterMember_9DC7B640AC866FEA52E319D6895EC94D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NumberOfUnitsInRealEstateProperty" xlink:label="loc_us-gaap_NumberOfUnitsInRealEstateProperty_5930BFCA21A9F4F860B11A00855B9B79" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_NumberOfUnitsInRealEstateProperty_5930BFCA21A9F4F860B11A00855B9B79" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_DisposalGroupNotDiscontinuedOperationSalePrice" xlink:label="loc_wre_DisposalGroupNotDiscontinuedOperationSalePrice_CD2432B38A11DD5100DC19D6895E3F38" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_wre_DisposalGroupNotDiscontinuedOperationSalePrice_CD2432B38A11DD5100DC19D6895E3F38" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AreaOfRealEstateProperty" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_B2FFBBE3C053A3628C5E19D6895E449D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_AreaOfRealEstateProperty_B2FFBBE3C053A3628C5E19D6895E449D" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_DisposalGroupIncludingDiscontinuedOperationSalePrice" xlink:label="loc_wre_DisposalGroupIncludingDiscontinuedOperationSalePrice_AF7A332A1806C06446E619D6895E196F" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_wre_DisposalGroupIncludingDiscontinuedOperationSalePrice_AF7A332A1806C06446E619D6895E196F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_32A5F072581344FC353719D6895EA026" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_32A5F072581344FC353719D6895EA026" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_94B92B9B9D4677AF4CE419D6895E5C76" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_94B92B9B9D4677AF4CE419D6895E5C76" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_DisposalGroupIncludingDiscontinuedOperationGainLossonDisposal" xlink:label="loc_wre_DisposalGroupIncludingDiscontinuedOperationGainLossonDisposal_505FC77011CFAD92D78E19D68963AD70" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_wre_DisposalGroupIncludingDiscontinuedOperationGainLossonDisposal_505FC77011CFAD92D78E19D68963AD70" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NumberofPurchaseandSaleAgreements" xlink:label="loc_wre_NumberofPurchaseandSaleAgreements_1D6F438D99CA877CDB2319D6896336AA" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_wre_NumberofPurchaseandSaleAgreements_1D6F438D99CA877CDB2319D6896336AA" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NumberofBuildingsSold" xlink:label="loc_wre_NumberofBuildingsSold_D44E655D4EBF28EAA17E19D6896305F2" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_wre_NumberofBuildingsSold_D44E655D4EBF28EAA17E19D6896305F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_BB934465D382243DF23E19D689631302" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_BB934465D382243DF23E19D689631302" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_B6A4A832D5A7E0AE419919D68963E4C7" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_B6A4A832D5A7E0AE419919D68963E4C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare_E7E8F77EA2E308738D7419D68963E0C0" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare_E7E8F77EA2E308738D7419D68963E0C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_5CBF9F68A1C08513093719D6896412AC" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_5CBF9F68A1C08513093719D6896412AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairmentOfRealEstate" xlink:label="loc_us-gaap_ImpairmentOfRealEstate_206C179CD4A87F7D7DB519D68964375B" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_ImpairmentOfRealEstate_206C179CD4A87F7D7DB519D68964375B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_B8852EC6B22A4640D0F819D689647B60" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_B8852EC6B22A4640D0F819D689647B60" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_40CD5C63F591601D807F19D689648CCB" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_40CD5C63F591601D807F19D689648CCB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_67AABAF161DDD6CC92C419D689643507" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_871B441736A898E947F619D6895EDE4C" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_67AABAF161DDD6CC92C419D689643507" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/RealEstateInvestmentsRealEstateImpairmentDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstatePropertiesLineItems" xlink:label="loc_us-gaap_RealEstatePropertiesLineItems_38827BFFFE6D56E873161516D7200BDE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRealEstatePropertiesTable" xlink:label="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_B7E4CF9D3C409B2138DB1516D72078FC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_38827BFFFE6D56E873161516D7200BDE" xlink:to="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_B7E4CF9D3C409B2138DB1516D72078FC" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_81D92E17F427AA1E0BF01516D72097B6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_B7E4CF9D3C409B2138DB1516D72078FC" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_81D92E17F427AA1E0BF01516D72097B6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_82744178394F2F7905281516D7204FAD_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_81D92E17F427AA1E0BF01516D72097B6" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_82744178394F2F7905281516D7204FAD_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_82744178394F2F7905281516D7204FAD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_81D92E17F427AA1E0BF01516D72097B6" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_82744178394F2F7905281516D7204FAD" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A4661KenmoreAvenueMember" xlink:label="loc_wre_A4661KenmoreAvenueMember_474B1E61C367297F4A7C1516D7208201" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_82744178394F2F7905281516D7204FAD" xlink:to="loc_wre_A4661KenmoreAvenueMember_474B1E61C367297F4A7C1516D7208201" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RealEstateImpairmentIncludingDiscontinuedOperations" xlink:label="loc_wre_RealEstateImpairmentIncludingDiscontinuedOperations_26EB6598A256BE5A464B1516D720F371" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_38827BFFFE6D56E873161516D7200BDE" xlink:to="loc_wre_RealEstateImpairmentIncludingDiscontinuedOperations_26EB6598A256BE5A464B1516D720F371" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateInvestmentPropertyNet" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_0DA3A78229BBD0D9B7601516D720D97F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_38827BFFFE6D56E873161516D7200BDE" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyNet_0DA3A78229BBD0D9B7601516D720D97F" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/RealEstateInvestmentsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/RentalsUnderOperatingLeases" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/RentalsUnderOperatingLeasesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasedAssetsLineItems" xlink:label="loc_us-gaap_OperatingLeasedAssetsLineItems_888B9DA1F23509C7B6B8198296136B10" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfOperatingLeasedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_1D3E2DFE30DA63439F7819829613C015" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_888B9DA1F23509C7B6B8198296136B10" xlink:to="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_1D3E2DFE30DA63439F7819829613C015" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_242CB8CCBF8FE70E9000198296133936" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_1D3E2DFE30DA63439F7819829613C015" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_242CB8CCBF8FE70E9000198296133936" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_425A43A2AE9EE6358464198296136340_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_242CB8CCBF8FE70E9000198296133936" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_425A43A2AE9EE6358464198296136340_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_425A43A2AE9EE6358464198296136340" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_242CB8CCBF8FE70E9000198296133936" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_425A43A2AE9EE6358464198296136340" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MultifamilyPropertiesMember" xlink:label="loc_wre_MultifamilyPropertiesMember_871D4BDDF85747BEFBD0198296135567" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain_425A43A2AE9EE6358464198296136340" xlink:to="loc_wre_MultifamilyPropertiesMember_871D4BDDF85747BEFBD0198296135567" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract" xlink:label="loc_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_9E7535FEAF7939054A5219829613FF00" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_888B9DA1F23509C7B6B8198296136B10" xlink:to="loc_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_9E7535FEAF7939054A5219829613FF00" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TenantReimbursements" xlink:label="loc_us-gaap_TenantReimbursements_E76B50C72CA75435263F19AC27D066D8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_888B9DA1F23509C7B6B8198296136B10" xlink:to="loc_us-gaap_TenantReimbursements_E76B50C72CA75435263F19AC27D066D8" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/RentalsUnderOperatingLeasesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/ScheduleIi" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/ScheduleIiDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_36F7AB9ED2E252BFD5C71516D451A1B8" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_C728BB961212994912501516D4513B3E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_36F7AB9ED2E252BFD5C71516D451A1B8" xlink:to="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_C728BB961212994912501516D4513B3E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_10BE36FE9C83724842981516D4515C81" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_C728BB961212994912501516D4513B3E" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_10BE36FE9C83724842981516D4515C81" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_EF7843D65C7C4BA6B93C1516D45179B3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_10BE36FE9C83724842981516D4515C81" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_EF7843D65C7C4BA6B93C1516D45179B3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_EF7843D65C7C4BA6B93C1516D45179B3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_10BE36FE9C83724842981516D4515C81" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_EF7843D65C7C4BA6B93C1516D45179B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsMember" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsMember_7DBDF7FD4432926C38C91516D451AFE3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_EF7843D65C7C4BA6B93C1516D45179B3" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsMember_7DBDF7FD4432926C38C91516D451AFE3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" xlink:label="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_9A02E1994AC88B6385C51516D45114B8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_EF7843D65C7C4BA6B93C1516D45179B3" xlink:to="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_9A02E1994AC88B6385C51516D45114B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_E8C7CB5E611C9E56C3131516D451C277" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_36F7AB9ED2E252BFD5C71516D451A1B8" xlink:to="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_E8C7CB5E611C9E56C3131516D451C277" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_2E8FA43E8EAB9EB0C80A1516D4515BB0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_E8C7CB5E611C9E56C3131516D451C277" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesBalance_2E8FA43E8EAB9EB0C80A1516D4515BB0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_6F001843B16D83AC11241516D4526BA1" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_E8C7CB5E611C9E56C3131516D451C277" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_6F001843B16D83AC11241516D4526BA1" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ValuationAllowancesandReservesDeductionsRecoveriesNet" xlink:label="loc_wre_ValuationAllowancesandReservesDeductionsRecoveriesNet_09BC6ED52495F3BAAC8B1516D452B8E6" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_E8C7CB5E611C9E56C3131516D451C277" xlink:to="loc_wre_ValuationAllowancesandReservesDeductionsRecoveriesNet_09BC6ED52495F3BAAC8B1516D452B8E6" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/ScheduleIii" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/ScheduleIiiDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationLineItems" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationByPropertyTable" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationByPropertyTable_428E7EA4FF11E75DE02E19D68817C693" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationByPropertyTable_428E7EA4FF11E75DE02E19D68817C693" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_4F6725DF63985371024219D6881760DA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationByPropertyTable_428E7EA4FF11E75DE02E19D68817C693" xlink:to="loc_us-gaap_RangeAxis_4F6725DF63985371024219D6881760DA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_3F9303720AAD503433C219D68817820C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_4F6725DF63985371024219D6881760DA" xlink:to="loc_us-gaap_RangeMember_3F9303720AAD503433C219D68817820C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_3F9303720AAD503433C219D68817820C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_4F6725DF63985371024219D6881760DA" xlink:to="loc_us-gaap_RangeMember_3F9303720AAD503433C219D68817820C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_09D7CE279ADF5F11B5C919D68817A480" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_3F9303720AAD503433C219D68817820C" xlink:to="loc_us-gaap_MinimumMember_09D7CE279ADF5F11B5C919D68817A480" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_A6EFC1FE007C9BD76F2919D6881759C8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_3F9303720AAD503433C219D68817820C" xlink:to="loc_us-gaap_MaximumMember_A6EFC1FE007C9BD76F2919D6881759C8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_3AB8B12083612425623419D68817B153" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationByPropertyTable_428E7EA4FF11E75DE02E19D68817C693" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_3AB8B12083612425623419D68817B153" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D426DB14254A7979ABF619D688170BEE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_3AB8B12083612425623419D68817B153" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D426DB14254A7979ABF619D688170BEE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D426DB14254A7979ABF619D688170BEE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_3AB8B12083612425623419D68817B153" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D426DB14254A7979ABF619D688170BEE" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MultifamilyPropertiesMember" xlink:label="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D426DB14254A7979ABF619D688170BEE" xlink:to="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A3801ConnecticutMember" xlink:label="loc_wre_A3801ConnecticutMember_CAED60A27E4C9C5B87B319D688187C48" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_A3801ConnecticutMember_CAED60A27E4C9C5B87B319D688187C48" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RooseveltTowersMember" xlink:label="loc_wre_RooseveltTowersMember_233E13285F83875BB25219D688188A7B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_RooseveltTowersMember_233E13285F83875BB25219D688188A7B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ParkAdamsMember" xlink:label="loc_wre_ParkAdamsMember_0C01EEE35D7D81A4DA7D19D6881801B5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_ParkAdamsMember_0C01EEE35D7D81A4DA7D19D6881801B5" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_AshbyAtMcleanMember" xlink:label="loc_wre_AshbyAtMcleanMember_1E4891382B9612230F9019D68818BE42" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_AshbyAtMcleanMember_1E4891382B9612230F9019D68818BE42" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WalkerHouseApartmentsMember" xlink:label="loc_wre_WalkerHouseApartmentsMember_6ACABF5F58E706B80E5E19D68818E50C" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_WalkerHouseApartmentsMember_6ACABF5F58E706B80E5E19D68818E50C" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_BethesdaHillApartmentsMember" xlink:label="loc_wre_BethesdaHillApartmentsMember_B1A7BCDD48F4AF2E558019D688186DBD" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_BethesdaHillApartmentsMember_B1A7BCDD48F4AF2E558019D688186DBD" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_BennettParkMember" xlink:label="loc_wre_BennettParkMember_02FFE86FCE84687CA78519D688185225" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_BennettParkMember_02FFE86FCE84687CA78519D688185225" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ClayborneMember" xlink:label="loc_wre_ClayborneMember_0F6CA504D85CBD5A8FCE19D68819129A" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_ClayborneMember_0F6CA504D85CBD5A8FCE19D68819129A" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_KenmoreMember" xlink:label="loc_wre_KenmoreMember_0ADA5B601546ECB3BFDA19D688198C0B" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_KenmoreMember_0ADA5B601546ECB3BFDA19D688198C0B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_SixFiftyNorthGlebeRoadMember" xlink:label="loc_wre_SixFiftyNorthGlebeRoadMember_4619372E68475D0E8BC519D68819B771" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_SixFiftyNorthGlebeRoadMember_4619372E68475D0E8BC519D68819B771" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TheParamountMember" xlink:label="loc_wre_TheParamountMember_C3C2073E78A83406AA7F19D68819734E" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_TheParamountMember_C3C2073E78A83406AA7F19D68819734E" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_YaleWestMember" xlink:label="loc_wre_YaleWestMember_2B5E10F2C9706F08227219D68819F6FE" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_YaleWestMember_2B5E10F2C9706F08227219D68819F6FE" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TheWellingtonMember" xlink:label="loc_wre_TheWellingtonMember_252A1BFDCEA9022F6C0B19D688191E1F" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_TheWellingtonMember_252A1BFDCEA9022F6C0B19D688191E1F" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TheWellingtonlandparcelMember" xlink:label="loc_wre_TheWellingtonlandparcelMember_3F3D7C73866F5271B18E19D688192C78" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_MultifamilyPropertiesMember_AFF91E2B1BA4620C8F9219D688187223" xlink:to="loc_wre_TheWellingtonlandparcelMember_3F3D7C73866F5271B18E19D688192C78" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_OfficeBuildingsMember" xlink:label="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D426DB14254A7979ABF619D688170BEE" xlink:to="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A1901PennsylvaniaAvenueMember" xlink:label="loc_wre_A1901PennsylvaniaAvenueMember_63B0C584B9074C2305D619D688196860" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A1901PennsylvaniaAvenueMember_63B0C584B9074C2305D619D688196860" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A51MonroeStreetMember" xlink:label="loc_wre_A51MonroeStreetMember_8D387B600F2E51D7950A19D68819B18A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A51MonroeStreetMember_8D387B600F2E51D7950A19D68819B18A" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A515KingStreetMember" xlink:label="loc_wre_A515KingStreetMember_314CEC4974B1E79C357A19D68819BADC" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A515KingStreetMember_314CEC4974B1E79C357A19D68819BADC" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A6110ExecutiveBoulevardMember" xlink:label="loc_wre_A6110ExecutiveBoulevardMember_C700CEF4497ED38456A119D68819A71D" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A6110ExecutiveBoulevardMember_C700CEF4497ED38456A119D68819A71D" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A122019ThStreetMember" xlink:label="loc_wre_A122019ThStreetMember_77B0F0CB29FD1E1BCB3C19D68819A54B" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A122019ThStreetMember_77B0F0CB29FD1E1BCB3C19D68819A54B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A1600WilsonBoulevardMember" xlink:label="loc_wre_A1600WilsonBoulevardMember_D7ECEE9C169F6561474919D688191A92" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A1600WilsonBoulevardMember_D7ECEE9C169F6561474919D688191A92" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A7900WestparkDriveMember" xlink:label="loc_wre_A7900WestparkDriveMember_C11A089EB0D1BED751D919D688190242" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A7900WestparkDriveMember_C11A089EB0D1BED751D919D688190242" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A600JeffersonPlazaMember" xlink:label="loc_wre_A600JeffersonPlazaMember_12C6E8AB2FCD5A3B44CD19D6881A9FAA" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A600JeffersonPlazaMember_12C6E8AB2FCD5A3B44CD19D6881A9FAA" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WaynePlazaMember" xlink:label="loc_wre_WaynePlazaMember_98EEAA8DDCBDEFD794A819D6881AA0F3" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_WaynePlazaMember_98EEAA8DDCBDEFD794A819D6881AA0F3" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_CourthouseSquareMember" xlink:label="loc_wre_CourthouseSquareMember_0BAB7EAF0AF694B952D419D6881AEBA5" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_CourthouseSquareMember_0BAB7EAF0AF694B952D419D6881AEBA5" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_OneCentralPlazaMember" xlink:label="loc_wre_OneCentralPlazaMember_525C938F17D96EEB9D6B19D6881A7930" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_OneCentralPlazaMember_525C938F17D96EEB9D6B19D6881A7930" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A1776GStreetMember" xlink:label="loc_wre_A1776GStreetMember_93F9BF63E950A6A8028219D6881ABE2E" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A1776GStreetMember_93F9BF63E950A6A8028219D6881ABE2E" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_DullesStationIiMember" xlink:label="loc_wre_DullesStationIiMember_8ED2E445565280EDD05319D6881AA223" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_DullesStationIiMember_8ED2E445565280EDD05319D6881AA223" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WestGudeDriveMember" xlink:label="loc_wre_WestGudeDriveMember_58FD186B04161E08A7F519D6881A3609" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_WestGudeDriveMember_58FD186B04161E08A7F519D6881A3609" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MonumentIiMember" xlink:label="loc_wre_MonumentIiMember_184002AEE7CC69B22A9219D6881A0F13" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_MonumentIiMember_184002AEE7CC69B22A9219D6881A0F13" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A2000MStreetMember" xlink:label="loc_wre_A2000MStreetMember_5F53A181823E93617E4119D6881A4752" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A2000MStreetMember_5F53A181823E93617E4119D6881A4752" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MStreet2445Member" xlink:label="loc_wre_MStreet2445Member_CF8845AC2E792B471C1D19D6881A0B00" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_MStreet2445Member_CF8845AC2E792B471C1D19D6881A0B00" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_QuanticoBuildingEMember" xlink:label="loc_wre_QuanticoBuildingEMember_8D146E5A2661D424AF6819D6881AC0A1" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_QuanticoBuildingEMember_8D146E5A2661D424AF6819D6881AC0A1" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_QuanticoBuildingGMember" xlink:label="loc_wre_QuanticoBuildingGMember_2614E25FAC043EEDF11519D6881A6061" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_QuanticoBuildingGMember_2614E25FAC043EEDF11519D6881A6061" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A1140ConnecticutAvenueMember" xlink:label="loc_wre_A1140ConnecticutAvenueMember_C32C019D06C23D5411F119D6881AE8B1" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A1140ConnecticutAvenueMember_C32C019D06C23D5411F119D6881AE8B1" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A122725ThStreetMember" xlink:label="loc_wre_A122725ThStreetMember_4E7921CCB566E7F8A8EA19D6881A0113" xlink:type="locator" />
    <definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A122725ThStreetMember_4E7921CCB566E7F8A8EA19D6881A0113" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_BraddockPlaceMember" xlink:label="loc_wre_BraddockPlaceMember_7C38680EB518F89227A919D6881AE105" xlink:type="locator" />
    <definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_BraddockPlaceMember_7C38680EB518F89227A919D6881AE105" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_JohnMarshallIiMember" xlink:label="loc_wre_JohnMarshallIiMember_74FB29482FC2490B69D019D6881A55EC" xlink:type="locator" />
    <definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_JohnMarshallIiMember_74FB29482FC2490B69D019D6881A55EC" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FairgateAtBallstonMember" xlink:label="loc_wre_FairgateAtBallstonMember_727DF0A487939194475319D6881AF53F" xlink:type="locator" />
    <definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_FairgateAtBallstonMember_727DF0A487939194475319D6881AF53F" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TheArmyNavyClubBuildingMember" xlink:label="loc_wre_TheArmyNavyClubBuildingMember_B82788542406D19785EA19D6881ACF9B" xlink:type="locator" />
    <definitionArc order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_TheArmyNavyClubBuildingMember_B82788542406D19785EA19D6881ACF9B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A1775EyeStreetMember" xlink:label="loc_wre_A1775EyeStreetMember_000967722CC2B8D460DB19D6881BA5F5" xlink:type="locator" />
    <definitionArc order="26" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_OfficeBuildingsMember_C55E2FC54EA178BFCDEB19D688199546" xlink:to="loc_wre_A1775EyeStreetMember_000967722CC2B8D460DB19D6881BA5F5" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RetailCentersMember" xlink:label="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_D426DB14254A7979ABF619D688170BEE" xlink:to="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TakomaParkMember" xlink:label="loc_wre_TakomaParkMember_CF9BD9116E7A26A5530619D6881B345C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_TakomaParkMember_CF9BD9116E7A26A5530619D6881B345C" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WestminsterMember" xlink:label="loc_wre_WestminsterMember_DF6101CCBBF68823B18F19D6881BC70B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_WestminsterMember_DF6101CCBBF68823B18F19D6881BC70B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ConcordCentreMember" xlink:label="loc_wre_ConcordCentreMember_0388A82563995FFBB05D19D6881BE90E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_ConcordCentreMember_0388A82563995FFBB05D19D6881BE90E" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WheatonParkMember" xlink:label="loc_wre_WheatonParkMember_2F381B599AE09375015519D6881B0F7D" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_WheatonParkMember_2F381B599AE09375015519D6881B0F7D" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_BradleeMember" xlink:label="loc_wre_BradleeMember_269742E1876E922D614319D6881BFFBC" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_BradleeMember_269742E1876E922D614319D6881BFFBC" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ChevyChaseMetroPlazaMember" xlink:label="loc_wre_ChevyChaseMetroPlazaMember_77F3BDB631FCE2D358BF19D6881B3C90" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_ChevyChaseMetroPlazaMember_77F3BDB631FCE2D358BF19D6881B3C90" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ShoppesOfFoxchaseMember" xlink:label="loc_wre_ShoppesOfFoxchaseMember_785704EB2916E60E49B119D6881B0698" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_ShoppesOfFoxchaseMember_785704EB2916E60E49B119D6881B0698" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FrederickCountySquareMember" xlink:label="loc_wre_FrederickCountySquareMember_B99FD04A2916A97B873519D6881BA94D" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_FrederickCountySquareMember_B99FD04A2916A97B873519D6881BA94D" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_A800SWashingtonStreetMember" xlink:label="loc_wre_A800SWashingtonStreetMember_5CB99BE0119D26C45F6B19D6881B3684" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_A800SWashingtonStreetMember_5CB99BE0119D26C45F6B19D6881B3684" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_CentreAtHagerstownMember" xlink:label="loc_wre_CentreAtHagerstownMember_940B609D94ECDFBB757A19D6881B9EF4" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_CentreAtHagerstownMember_940B609D94ECDFBB757A19D6881B9EF4" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_FrederickCrossingMember" xlink:label="loc_wre_FrederickCrossingMember_2BF71E541E7F1F09562C19D6881BBEA3" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_FrederickCrossingMember_2BF71E541E7F1F09562C19D6881BBEA3" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RandolphShoppingCenterMember" xlink:label="loc_wre_RandolphShoppingCenterMember_0611FD38BD4519E817D019D6881B035A" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_RandolphShoppingCenterMember_0611FD38BD4519E817D019D6881B035A" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MontroseShoppingCenterMember" xlink:label="loc_wre_MontroseShoppingCenterMember_5DE9DC0C96D6E19CA5D319D6881B61DB" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_MontroseShoppingCenterMember_5DE9DC0C96D6E19CA5D319D6881B61DB" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_GatewayOverlookMember" xlink:label="loc_wre_GatewayOverlookMember_B88AD728AC700F0ABF2419D6881B7BE9" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_GatewayOverlookMember_B88AD728AC700F0ABF2419D6881B7BE9" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_OlneyVillageCenterMember" xlink:label="loc_wre_OlneyVillageCenterMember_15601081ECF36AC6B92719D6881CFD57" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_OlneyVillageCenterMember_15601081ECF36AC6B92719D6881CFD57" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_SpringVallyRetailCenterMember" xlink:label="loc_wre_SpringVallyRetailCenterMember_1FE84288482FFB1A532319D6881C3FEB" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_RetailCentersMember_2D5335A36FF1C7222C9419D6881BA2EC" xlink:to="loc_wre_SpringVallyRetailCenterMember_1FE84288482FFB1A532319D6881C3FEB" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyLocation" xlink:label="loc_wre_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyLocation_EF5FBC537411F9AA5F2919D6881C58FE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_wre_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyLocation_EF5FBC537411F9AA5F2919D6881C58FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand_ACDC6879EFE18FE7B03919D6881C888F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand_ACDC6879EFE18FE7B03919D6881C888F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements_A4294EC626D1CDCBB04D19D6881C4A88" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements_A4294EC626D1CDCBB04D19D6881C4A88" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements_178D847372B9B31850FA19D6881C8D56" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements_178D847372B9B31850FA19D6881C8D56" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand_D099F6E068F67F13245919D6881C20EB" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand_D099F6E068F67F13245919D6881C20EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements_375BBDD6FCDBE6B6B71419D6881C5B76" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements_375BBDD6FCDBE6B6B71419D6881C5B76" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateGrossAtCarryingValue" xlink:label="loc_us-gaap_RealEstateGrossAtCarryingValue_24F054B7EBB7FFEC158819D6881C2F42" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_RealEstateGrossAtCarryingValue_24F054B7EBB7FFEC158819D6881C2F42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAccumulatedDepreciation" xlink:label="loc_us-gaap_RealEstateAccumulatedDepreciation_6881AA70748CF26F55DE19D6881C5C20" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_RealEstateAccumulatedDepreciation_6881AA70748CF26F55DE19D6881C5C20" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDateOfConstruction1" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDateOfConstruction1_73E66ADB2F96AF434EF719D6881C4C3E" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationDateOfConstruction1_73E66ADB2F96AF434EF719D6881C4C3E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationDateAcquired1" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationDateAcquired1_EE5AF25436D5E33ED4AB19D6881CD424" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationDateAcquired1_EE5AF25436D5E33ED4AB19D6881CD424" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NetRentableSquareFeet" xlink:label="loc_wre_NetRentableSquareFeet_6DA0FEC15E457844FD8819D6881C7939" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_wre_NetRentableSquareFeet_6DA0FEC15E457844FD8819D6881C7939" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NumberOfUnitsInRealEstateProperty" xlink:label="loc_us-gaap_NumberOfUnitsInRealEstateProperty_48B8AE265DDCC298C0CF19D6881C7A57" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_NumberOfUnitsInRealEstateProperty_48B8AE265DDCC298C0CF19D6881C7A57" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1" xlink:label="loc_us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1_6E8FAD61D182101CA17619D6881C692F" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1_6E8FAD61D182101CA17619D6881C692F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_A811AE7BC05BE8DB794519D6881DA283" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_SecuredDebt_A811AE7BC05BE8DB794519D6881DA283" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateFederalIncomeTaxBasis" xlink:label="loc_us-gaap_RealEstateFederalIncomeTaxBasis_097DF2A6FB8F78DA12E319D6881D101D" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_RealEstateFederalIncomeTaxBasis_097DF2A6FB8F78DA12E319D6881D101D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_05FAE899C5C71F87354819D6881D87F4" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_05FAE899C5C71F87354819D6881D87F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AreaOfRealEstateProperty" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_1993919CE8C5508A8D6819D6881D565D" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_AreaOfRealEstateProperty_1993919CE8C5508A8D6819D6881D565D" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_LandPlacedInService" xlink:label="loc_wre_LandPlacedInService_F64169E4270D34EB77DD19D6881D8BD9" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_wre_LandPlacedInService_F64169E4270D34EB77DD19D6881D8BD9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DevelopmentInProcess" xlink:label="loc_us-gaap_DevelopmentInProcess_BD723087950ED15A059619D6881D44FC" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_DevelopmentInProcess_BD723087950ED15A059619D6881D44FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward" xlink:label="loc_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateOtherAcquisitions" xlink:label="loc_us-gaap_RealEstateOtherAcquisitions_418D08DA6210D4675C0219D6881E49E8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B" xlink:to="loc_us-gaap_RealEstateOtherAcquisitions_418D08DA6210D4675C0219D6881E49E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateImprovements" xlink:label="loc_us-gaap_RealEstateImprovements_ADCF5115969F7329C04819D6881E8268" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B" xlink:to="loc_us-gaap_RealEstateImprovements_ADCF5115969F7329C04819D6881E8268" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ImpairmentGrossAsset" xlink:label="loc_wre_ImpairmentGrossAsset_5FFD29861397819CEB5119D6881EBC79" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B" xlink:to="loc_wre_ImpairmentGrossAsset_5FFD29861397819CEB5119D6881EBC79" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WriteDownOfRealEstateDisposedOf" xlink:label="loc_wre_WriteDownOfRealEstateDisposedOf_DBA7B1D59A79A0A2DD1619D6881E65C9" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B" xlink:to="loc_wre_WriteDownOfRealEstateDisposedOf_DBA7B1D59A79A0A2DD1619D6881E65C9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateCostOfRealEstateSold" xlink:label="loc_us-gaap_RealEstateCostOfRealEstateSold_B156DB8E63925DAF1B3319D6881E20A3" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward_3C007DF629412185C3B519D6881DFE9B" xlink:to="loc_us-gaap_RealEstateCostOfRealEstateSold_B156DB8E63925DAF1B3319D6881E20A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward" xlink:label="loc_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6" xlink:type="locator" />
    <definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateAndAccumulatedDepreciationLineItems_0C57F89C218EE380C16F19D6881CD7A1" xlink:to="loc_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense" xlink:label="loc_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_2DBC8640242133F249C019D6881E8D70" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6" xlink:to="loc_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_2DBC8640242133F249C019D6881E8D70" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAccumulatedDepreciationOtherDeductions" xlink:label="loc_us-gaap_RealEstateAccumulatedDepreciationOtherDeductions_81587A2DECD5EB439C2E19D6881EA6DC" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6" xlink:to="loc_us-gaap_RealEstateAccumulatedDepreciationOtherDeductions_81587A2DECD5EB439C2E19D6881EA6DC" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets" xlink:label="loc_wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets_9AFDC2A7B6CAFDF3EC6619D6881F1DB6" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6" xlink:to="loc_wre_RealEstateAccumulatedDepreciationWriteOffOfDisposedAssets_9AFDC2A7B6CAFDF3EC6619D6881F1DB6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateAccumulatedDepreciationRealEstateSold" xlink:label="loc_us-gaap_RealEstateAccumulatedDepreciationRealEstateSold_94F787DB1F125E3C55E119D6881FFBCB" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward_A165844E2B2E6FDBF57219D6881EA1C6" xlink:to="loc_us-gaap_RealEstateAccumulatedDepreciationRealEstateSold_94F787DB1F125E3C55E119D6881FFBCB" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/SegmentInformation" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/SegmentInformationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_D1EE002DA35CE5DD39901516D4C74955" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_D1EE002DA35CE5DD39901516D4C74955" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_063C20F1946565EC6FEF1516D4C70DC5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_D1EE002DA35CE5DD39901516D4C74955" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_063C20F1946565EC6FEF1516D4C70DC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_876E1D1E10A2171D61531516D4C70DB2_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_063C20F1946565EC6FEF1516D4C70DC5" xlink:to="loc_us-gaap_SegmentDomain_876E1D1E10A2171D61531516D4C70DB2_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_876E1D1E10A2171D61531516D4C70DB2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_063C20F1946565EC6FEF1516D4C70DC5" xlink:to="loc_us-gaap_SegmentDomain_876E1D1E10A2171D61531516D4C70DB2" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_OfficeMember" xlink:label="loc_wre_OfficeMember_29B2D31941E5BB9982A91516D4C7C6CE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_876E1D1E10A2171D61531516D4C70DB2" xlink:to="loc_wre_OfficeMember_29B2D31941E5BB9982A91516D4C7C6CE" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_MedicalOfficeMember" xlink:label="loc_wre_MedicalOfficeMember_EEC036A7B3EF8991A54F1516D4C7F91B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_876E1D1E10A2171D61531516D4C70DB2" xlink:to="loc_wre_MedicalOfficeMember_EEC036A7B3EF8991A54F1516D4C7F91B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RetailMember" xlink:label="loc_wre_RetailMember_2B00D7B60DC3EF2FC45C1516D4C75D8D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_876E1D1E10A2171D61531516D4C70DB2" xlink:to="loc_wre_RetailMember_2B00D7B60DC3EF2FC45C1516D4C75D8D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultifamilyMember" xlink:label="loc_us-gaap_MultifamilyMember_907D6EBEE82132473CB41516D4C7CDA5" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_876E1D1E10A2171D61531516D4C70DB2" xlink:to="loc_us-gaap_MultifamilyMember_907D6EBEE82132473CB41516D4C7CDA5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CorporateAndOtherMember" xlink:label="loc_us-gaap_CorporateAndOtherMember_7F7A45328BF2DBAE26261516D4C7C217" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_876E1D1E10A2171D61531516D4C70DB2" xlink:to="loc_us-gaap_CorporateAndOtherMember_7F7A45328BF2DBAE26261516D4C7C217" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_C854F429DEC841C5D3981516D4C84024" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_NumberOfReportableSegments_C854F429DEC841C5D3981516D4C84024" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PercentageOfRealEstateRentalRevenue" xlink:label="loc_wre_PercentageOfRealEstateRentalRevenue_D28B26ADE89D07F6E02E1516D4C88232" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_wre_PercentageOfRealEstateRentalRevenue_D28B26ADE89D07F6E02E1516D4C88232" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PercentageOfRealEstateAssets" xlink:label="loc_wre_PercentageOfRealEstateAssets_3882C16D5C7AA93EF48B1516D4CD13E5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_wre_PercentageOfRealEstateAssets_3882C16D5C7AA93EF48B1516D4CD13E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateRevenueNet" xlink:label="loc_us-gaap_RealEstateRevenueNet_D5A31D4FF3ABCCF4CDC21516D4CDBDB4" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_RealEstateRevenueNet_D5A31D4FF3ABCCF4CDC21516D4CDBDB4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfRealEstateRevenue" xlink:label="loc_us-gaap_CostOfRealEstateRevenue_588AACD56AAE9D7B9D111516D4CD6541" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_CostOfRealEstateRevenue_588AACD56AAE9D7B9D111516D4CD6541" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_OperatingIncomeLossNet" xlink:label="loc_wre_OperatingIncomeLossNet_67E67FBCDC93B9EDA7671516D4CEB07E" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_wre_OperatingIncomeLossNet_67E67FBCDC93B9EDA7671516D4CEB07E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_9EA9068AB0D7A46200B31516D4CE628D" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_DepreciationAndAmortization_9EA9068AB0D7A46200B31516D4CE628D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_2C20756AC64C8D8A1F011516D4CE8644" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_2C20756AC64C8D8A1F011516D4CE8644" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairmentOfRealEstate" xlink:label="loc_us-gaap_ImpairmentOfRealEstate_264F930B74796397B8F71516D4CED01F" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_ImpairmentOfRealEstate_264F930B74796397B8F71516D4CED01F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AcquisitionCosts" xlink:label="loc_us-gaap_AcquisitionCosts_87CABFEB0EA41E30D37E1516D4CEE411" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_AcquisitionCosts_87CABFEB0EA41E30D37E1516D4CEE411" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_A4238765E7F57ABF41651516D4CECA40" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_InterestExpense_A4238765E7F57ABF41651516D4CECA40" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_B8BE906A5577B7CE3FF91516D4CE68CE" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_B8BE906A5577B7CE3FF91516D4CE68CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_EDAE3BFBB57230EFBA5A1516D4CEB0DC" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_EDAE3BFBB57230EFBA5A1516D4CEB0DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_B6C8D72D899FDD1976E21516D4CEC80A" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_B6C8D72D899FDD1976E21516D4CEC80A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_52732F5E535AB398B3D11516D4CF28ED" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_52732F5E535AB398B3D11516D4CF28ED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_09D2EFD3FA817B311E591516D4CF2776" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_09D2EFD3FA817B311E591516D4CF2776" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_EDDB098BB3FE22DF5A7B1516D4CF16C0" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_ProfitLoss_EDDB098BB3FE22DF5A7B1516D4CF16C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_533622E622840CD097CC1516D4CFE08F" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_533622E622840CD097CC1516D4CFE08F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_E9666200D2D16C2A43EB1516D4CFD4A4" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_NetIncomeLoss_E9666200D2D16C2A43EB1516D4CFD4A4" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_CapitalExpenditures" xlink:label="loc_wre_CapitalExpenditures_27A98315C3D9519475BB1516D4CF7F58" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_wre_CapitalExpenditures_27A98315C3D9519475BB1516D4CF7F58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_795AD94A05C7D33F62631516D4D0B5BB" xlink:type="locator" />
    <definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F709ACED4B6F034645C61516D4C718C4" xlink:to="loc_us-gaap_Assets_795AD94A05C7D33F62631516D4D0B5BB" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/SegmentInformationTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/SelectedQuarterlyFinancialDataUnaudited" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/SelectedQuarterlyFinancialDataUnauditedDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/SelectedQuarterlyFinancialDataUnauditedTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/ShareholdersEquity" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/ShareholdersEquityDetails" xlink:type="extended">
    <loc xlink:href="wre-20151231.xsd#wre_FinancingAgreementsLineItems" xlink:label="loc_wre_FinancingAgreementsLineItems_8629EB60CF4D9393A4351516D47BBFEB" xlink:type="locator" />
    <loc xlink:href="wre-20151231.xsd#wre_FinancingAgreementsTable" xlink:label="loc_wre_FinancingAgreementsTable_C0E6883D8F7B3E6047FC1516D47BA6D8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_wre_FinancingAgreementsLineItems_8629EB60CF4D9393A4351516D47BBFEB" xlink:to="loc_wre_FinancingAgreementsTable_C0E6883D8F7B3E6047FC1516D47BA6D8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_10D45F974EC42628845A1516D47B7E44" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_wre_FinancingAgreementsTable_C0E6883D8F7B3E6047FC1516D47BA6D8" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_10D45F974EC42628845A1516D47B7E44" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_9EC56300A18C4015B4051516D47B7761_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_10D45F974EC42628845A1516D47B7E44" xlink:to="loc_us-gaap_EquityComponentDomain_9EC56300A18C4015B4051516D47B7761_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_9EC56300A18C4015B4051516D47B7761" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_10D45F974EC42628845A1516D47B7E44" xlink:to="loc_us-gaap_EquityComponentDomain_9EC56300A18C4015B4051516D47B7761" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_FC3BACBD6696ED8D386B1516D47BC3FE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_9EC56300A18C4015B4051516D47B7761" xlink:to="loc_us-gaap_CommonStockMember_FC3BACBD6696ED8D386B1516D47BC3FE" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_CommonStockCapitalSharesReservedForFutureIssuancesValue" xlink:label="loc_wre_CommonStockCapitalSharesReservedForFutureIssuancesValue_C8C54092D1BF466000BE1516D47B06A8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_FinancingAgreementsLineItems_8629EB60CF4D9393A4351516D47BBFEB" xlink:to="loc_wre_CommonStockCapitalSharesReservedForFutureIssuancesValue_C8C54092D1BF466000BE1516D47B06A8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_3D035F95BF034BC93D4C1516D47BF10D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_FinancingAgreementsLineItems_8629EB60CF4D9393A4351516D47BBFEB" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_3D035F95BF034BC93D4C1516D47BF10D" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_Commonstockweightedaverageissuedprice" xlink:label="loc_wre_Commonstockweightedaverageissuedprice_F192608307A7174B67AE1516D47C308E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_FinancingAgreementsLineItems_8629EB60CF4D9393A4351516D47BBFEB" xlink:to="loc_wre_Commonstockweightedaverageissuedprice_F192608307A7174B67AE1516D47C308E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_BD23DEA3C38341D6FA371516D47C052A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_FinancingAgreementsLineItems_8629EB60CF4D9393A4351516D47BBFEB" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_BD23DEA3C38341D6FA371516D47C052A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan_2CD2A1CC734461DB5A721516D47C5E7C" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_FinancingAgreementsLineItems_8629EB60CF4D9393A4351516D47BBFEB" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan_2CD2A1CC734461DB5A721516D47C5E7C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/StatementOfComprehensiveIncomeStatementOfComprehensiveIncome" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/StockBasedCompensation" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/StockBasedCompensationNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_DADB88E1FCEDB09D6C9819D6888025A5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_DADB88E1FCEDB09D6C9819D6888025A5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_7843F75715BA1816E23619D6888005BA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_DADB88E1FCEDB09D6C9819D6888025A5" xlink:to="loc_us-gaap_VestingAxis_7843F75715BA1816E23619D6888005BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_43A34556165FEB6285AD19D6888089AE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_7843F75715BA1816E23619D6888005BA" xlink:to="loc_us-gaap_VestingDomain_43A34556165FEB6285AD19D6888089AE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_43A34556165FEB6285AD19D6888089AE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_7843F75715BA1816E23619D6888005BA" xlink:to="loc_us-gaap_VestingDomain_43A34556165FEB6285AD19D6888089AE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_B641075BCA151A5F3EA719D688805314" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_43A34556165FEB6285AD19D6888089AE" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_B641075BCA151A5F3EA719D688805314" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_AA81D22F0A706DE0F49C19D688801E33" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_43A34556165FEB6285AD19D6888089AE" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_AA81D22F0A706DE0F49C19D688801E33" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_us-gaap_TitleOfIndividualAxis_0A8C0009D54CB4FFE24019D688808E95" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_DADB88E1FCEDB09D6C9819D6888025A5" xlink:to="loc_us-gaap_TitleOfIndividualAxis_0A8C0009D54CB4FFE24019D688808E95" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_33E3F31D4664E2A3564F19D68880B2A4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TitleOfIndividualAxis_0A8C0009D54CB4FFE24019D688808E95" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_33E3F31D4664E2A3564F19D68880B2A4_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_33E3F31D4664E2A3564F19D68880B2A4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TitleOfIndividualAxis_0A8C0009D54CB4FFE24019D688808E95" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_33E3F31D4664E2A3564F19D68880B2A4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ChiefExecutiveOfficerMember" xlink:label="loc_us-gaap_ChiefExecutiveOfficerMember_F0C1CCD42AD45EEAC0FD19D68880327F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_33E3F31D4664E2A3564F19D68880B2A4" xlink:to="loc_us-gaap_ChiefExecutiveOfficerMember_F0C1CCD42AD45EEAC0FD19D68880327F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OfficerMember" xlink:label="loc_us-gaap_OfficerMember_F2889B264203646ABF2F19D68880E23F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_33E3F31D4664E2A3564F19D68880B2A4" xlink:to="loc_us-gaap_OfficerMember_F2889B264203646ABF2F19D68880E23F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_F74937F1E5D11D769FB319D688807DA0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_DADB88E1FCEDB09D6C9819D6888025A5" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_F74937F1E5D11D769FB319D688807DA0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain" xlink:label="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_32AEE3DA6D7041B968FE19D68880EB11_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_F74937F1E5D11D769FB319D688807DA0" xlink:to="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_32AEE3DA6D7041B968FE19D68880EB11_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain" xlink:label="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_32AEE3DA6D7041B968FE19D68880EB11" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_F74937F1E5D11D769FB319D688807DA0" xlink:to="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_32AEE3DA6D7041B968FE19D68880EB11" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashMember" xlink:label="loc_us-gaap_CashMember_2C7C2F164B21EB87B76C19D68880B0A5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_32AEE3DA6D7041B968FE19D68880EB11" xlink:to="loc_us-gaap_CashMember_2C7C2F164B21EB87B76C19D68880B0A5" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_UnrestrictedShareAwardsMember" xlink:label="loc_wre_UnrestrictedShareAwardsMember_5AAB5C1E87D185CA772619D688806F05" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_32AEE3DA6D7041B968FE19D68880EB11" xlink:to="loc_wre_UnrestrictedShareAwardsMember_5AAB5C1E87D185CA772619D688806F05" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RestrictedShareUnitsMember" xlink:label="loc_wre_RestrictedShareUnitsMember_C9E82731C88FCF3F3BA519D68880B37D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_32AEE3DA6D7041B968FE19D68880EB11" xlink:to="loc_wre_RestrictedShareUnitsMember_C9E82731C88FCF3F3BA519D68880B37D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_8908F5CB9A2947EA9B3119D68881DCFE" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_DADB88E1FCEDB09D6C9819D6888025A5" xlink:to="loc_us-gaap_PlanNameAxis_8908F5CB9A2947EA9B3119D68881DCFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_AD0FD80F8BB3767ADF7319D68881B124_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_8908F5CB9A2947EA9B3119D68881DCFE" xlink:to="loc_us-gaap_PlanNameDomain_AD0FD80F8BB3767ADF7319D68881B124_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_AD0FD80F8BB3767ADF7319D68881B124" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_8908F5CB9A2947EA9B3119D68881DCFE" xlink:to="loc_us-gaap_PlanNameDomain_AD0FD80F8BB3767ADF7319D68881B124" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WashingtonRealEstateInvestmentTrust2007OmnibusLongTermIncentivePlanMember" xlink:label="loc_wre_WashingtonRealEstateInvestmentTrust2007OmnibusLongTermIncentivePlanMember_AEF51E98BF7B9DE8B91C19D6888166EF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_AD0FD80F8BB3767ADF7319D68881B124" xlink:to="loc_wre_WashingtonRealEstateInvestmentTrust2007OmnibusLongTermIncentivePlanMember_AEF51E98BF7B9DE8B91C19D6888166EF" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NewStipMember" xlink:label="loc_wre_NewStipMember_8DD06D55171E33EFE07719D68881DAC9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_AD0FD80F8BB3767ADF7319D68881B124" xlink:to="loc_wre_NewStipMember_8DD06D55171E33EFE07719D68881DAC9" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NewLtipMember" xlink:label="loc_wre_NewLtipMember_BE1B9D744973F66A908719D688815659" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_AD0FD80F8BB3767ADF7319D68881B124" xlink:to="loc_wre_NewLtipMember_BE1B9D744973F66A908719D688815659" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_B678F50582038AF9634E19D68881C7DA" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_DADB88E1FCEDB09D6C9819D6888025A5" xlink:to="loc_us-gaap_AwardTypeAxis_B678F50582038AF9634E19D68881C7DA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_157825B941C132FAB8AC19D68881B3A7_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_B678F50582038AF9634E19D68881C7DA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_157825B941C132FAB8AC19D68881B3A7_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_157825B941C132FAB8AC19D68881B3A7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_B678F50582038AF9634E19D68881C7DA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_157825B941C132FAB8AC19D68881B3A7" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PerformanceBasedAwardsMember" xlink:label="loc_wre_PerformanceBasedAwardsMember_9BB9BFCF30EB6597926619D68881D787" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_157825B941C132FAB8AC19D68881B3A7" xlink:to="loc_wre_PerformanceBasedAwardsMember_9BB9BFCF30EB6597926619D68881D787" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RestrictedShareUnitsMember" xlink:label="loc_wre_RestrictedShareUnitsMember_DFDF00D0180914E0E51E19D688818C90" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_157825B941C132FAB8AC19D68881B3A7" xlink:to="loc_wre_RestrictedShareUnitsMember_DFDF00D0180914E0E51E19D688818C90" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RestrictedShareAwardsMember" xlink:label="loc_wre_RestrictedShareAwardsMember_C01843843294A1388B7E19D688818418" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_157825B941C132FAB8AC19D68881B3A7" xlink:to="loc_wre_RestrictedShareAwardsMember_C01843843294A1388B7E19D688818418" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_C511E8E5024DD4C9CD0F19D68881C111" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_DADB88E1FCEDB09D6C9819D6888025A5" xlink:to="loc_us-gaap_RangeAxis_C511E8E5024DD4C9CD0F19D68881C111" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_39C6B71DA270968C8AEC19D68881E59D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_C511E8E5024DD4C9CD0F19D68881C111" xlink:to="loc_us-gaap_RangeMember_39C6B71DA270968C8AEC19D68881E59D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_39C6B71DA270968C8AEC19D68881E59D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_C511E8E5024DD4C9CD0F19D68881C111" xlink:to="loc_us-gaap_RangeMember_39C6B71DA270968C8AEC19D68881E59D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_85479897A2E25133C11D19D688813EAA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_39C6B71DA270968C8AEC19D68881E59D" xlink:to="loc_us-gaap_MinimumMember_85479897A2E25133C11D19D688813EAA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_CE5A219849FE37CBA29919D6888159E0" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_39C6B71DA270968C8AEC19D68881E59D" xlink:to="loc_us-gaap_MaximumMember_CE5A219849FE37CBA29919D6888159E0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_46D0B7EA11A53A11BAD819D68881178A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_46D0B7EA11A53A11BAD819D68881178A" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanInEffectPeriod" xlink:label="loc_wre_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanInEffectPeriod_E801561227E6298B2AF519D688816596" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanInEffectPeriod_E801561227E6298B2AF519D688816596" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_C4138C0D6158F94037E819D6888204F4" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_C4138C0D6158F94037E819D6888204F4" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PercentageofPotentialAwardBasedUponServiceRequirement" xlink:label="loc_wre_PercentageofPotentialAwardBasedUponServiceRequirement_ABC9B1ED4850341DF80D19D688823A8B" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_PercentageofPotentialAwardBasedUponServiceRequirement_ABC9B1ED4850341DF80D19D688823A8B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PercentagePayableInUnrestrictedShares" xlink:label="loc_wre_PercentagePayableInUnrestrictedShares_2F7ED51B199F8C9FC32E19D68882362B" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_PercentagePayableInUnrestrictedShares_2F7ED51B199F8C9FC32E19D68882362B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_PercentagePayableInRestrictedShares" xlink:label="loc_wre_PercentagePayableInRestrictedShares_120DA52466432600FB5119D68882DBC1" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_PercentagePayableInRestrictedShares_120DA52466432600FB5119D68882DBC1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_F62936A33E012C40F3B819D688821FE6" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_F62936A33E012C40F3B819D688821FE6" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_SharebasedCompensationArrangementsbySharebasedPaymentAwardsOptionsVestedafterPerformancePeriodPercentage" xlink:label="loc_wre_SharebasedCompensationArrangementsbySharebasedPaymentAwardsOptionsVestedafterPerformancePeriodPercentage_A5AE7A5F477F143244C819D68882B14E" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_SharebasedCompensationArrangementsbySharebasedPaymentAwardsOptionsVestedafterPerformancePeriodPercentage_A5AE7A5F477F143244C819D68882B14E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_B97227C457CE6D7C44EE19D688822DE3" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_B97227C457CE6D7C44EE19D688822DE3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_3BB7C685FF6D366E636919D68882F9CA" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_3BB7C685FF6D366E636919D68882F9CA" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_GrantDateFairValueAsPercentageOfBaseSalary" xlink:label="loc_wre_GrantDateFairValueAsPercentageOfBaseSalary_3CB37B20F44E8573894C19D68882B1F6" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_GrantDateFairValueAsPercentageOfBaseSalary_3CB37B20F44E8573894C19D68882B1F6" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WeightingForPerformanceMeasurementBasedOnCumulative3YearTotalShareholderReturn" xlink:label="loc_wre_WeightingForPerformanceMeasurementBasedOnCumulative3YearTotalShareholderReturn_4ACA1C481A4D3822E96E19D688828173" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_WeightingForPerformanceMeasurementBasedOnCumulative3YearTotalShareholderReturn_4ACA1C481A4D3822E96E19D688828173" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_WeightingForPerformanceMeasurementBasedOn20PeerComapnies" xlink:label="loc_wre_WeightingForPerformanceMeasurementBasedOn20PeerComapnies_B8BD3EF6633DEF65A6BF19D68882C70F" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_WeightingForPerformanceMeasurementBasedOn20PeerComapnies_B8BD3EF6633DEF65A6BF19D68882C70F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_9AC38758A5F4CEB1A68F19D688821E78" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_9AC38758A5F4CEB1A68F19D688821E78" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_7CD1C47100FA8662901D19D688827754" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_7CD1C47100FA8662901D19D688827754" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_E5B7FD26970C3F0C49A119D6888212B6" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_E5B7FD26970C3F0C49A119D6888212B6" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ClosingSharePriceDateOfGrant" xlink:label="loc_wre_ClosingSharePriceDateOfGrant_32BC6BC491E189CA9FCE19D68882BF4A" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_ClosingSharePriceDateOfGrant_32BC6BC491E189CA9FCE19D68882BF4A" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_GrantDateFairValueasaPercentageofBaseSalaryonabsoluteTSR" xlink:label="loc_wre_GrantDateFairValueasaPercentageofBaseSalaryonabsoluteTSR_F3429B314F8BEA4762B719D688829FCE" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_GrantDateFairValueasaPercentageofBaseSalaryonabsoluteTSR_F3429B314F8BEA4762B719D688829FCE" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_GrantDateFairValueasaPercentageofBaseSalaryonrelativeTSR" xlink:label="loc_wre_GrantDateFairValueasaPercentageofBaseSalaryonrelativeTSR_05F961B149AC28A07D5C19D68882873B" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_GrantDateFairValueasaPercentageofBaseSalaryonrelativeTSR_05F961B149AC28A07D5C19D68882873B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_TrusteeShareBasedCompensation" xlink:label="loc_wre_TrusteeShareBasedCompensation_B58D99AB1C360098412A19D688830584" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_TrusteeShareBasedCompensation_B58D99AB1C360098412A19D688830584" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost_5007E437AE70D3BDDD7D19D68883C576" xlink:type="locator" />
    <definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost_5007E437AE70D3BDDD7D19D68883C576" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_CapitalizedSharebasedCompensationDuringPeriod" xlink:label="loc_wre_CapitalizedSharebasedCompensationDuringPeriod_A1528DC4BEE43F17FA2E19D6888341C2" xlink:type="locator" />
    <definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_wre_CapitalizedSharebasedCompensationDuringPeriod_A1528DC4BEE43F17FA2E19D6888341C2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_AE165BAFDA8EC803EB8219D68883ECC7" xlink:type="locator" />
    <definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_AE165BAFDA8EC803EB8219D68883ECC7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_6F3C64323244D0C4004C19D688830A33" xlink:type="locator" />
    <definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B019D1BCE219FDC20E3619D68881DA7F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_6F3C64323244D0C4004C19D688830A33" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/StockBasedCompensationRestrictedAndUnrestrictedSharesWithMarketConditionsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_DB2D42214C4FA68536881516D56F6FBB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5A58B8BAA5F4ECEAB0BB1516D56EE7B2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_DB2D42214C4FA68536881516D56F6FBB" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5A58B8BAA5F4ECEAB0BB1516D56EE7B2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_68F3457EA4F23ACA1F3E1516D56EE7DE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5A58B8BAA5F4ECEAB0BB1516D56EE7B2" xlink:to="loc_us-gaap_AwardTypeAxis_68F3457EA4F23ACA1F3E1516D56EE7DE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFE3BA9070E1F1C284861516D56E67E3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_68F3457EA4F23ACA1F3E1516D56EE7DE" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFE3BA9070E1F1C284861516D56E67E3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFE3BA9070E1F1C284861516D56E67E3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_68F3457EA4F23ACA1F3E1516D56EE7DE" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFE3BA9070E1F1C284861516D56E67E3" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RelativeTsrMember" xlink:label="loc_wre_RelativeTsrMember_33345BF7E47CA8A9FDC21516D56EA94E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFE3BA9070E1F1C284861516D56E67E3" xlink:to="loc_wre_RelativeTsrMember_33345BF7E47CA8A9FDC21516D56EA94E" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_AbsoluteTsrMember" xlink:label="loc_wre_AbsoluteTsrMember_C29FAE37CB6B34C11EB41516D56E4B63" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFE3BA9070E1F1C284861516D56E67E3" xlink:to="loc_wre_AbsoluteTsrMember_C29FAE37CB6B34C11EB41516D56E4B63" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_F7CC2BCE3197EA323E601516D56E22DF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5A58B8BAA5F4ECEAB0BB1516D56EE7B2" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_F7CC2BCE3197EA323E601516D56E22DF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain" xlink:label="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_B6B9A88F32B77CAAB61A1516D56E516C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_F7CC2BCE3197EA323E601516D56E22DF" xlink:to="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_B6B9A88F32B77CAAB61A1516D56E516C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain" xlink:label="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_B6B9A88F32B77CAAB61A1516D56E516C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_F7CC2BCE3197EA323E601516D56E22DF" xlink:to="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_B6B9A88F32B77CAAB61A1516D56E516C" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RestrictedShareAwardsMember" xlink:label="loc_wre_RestrictedShareAwardsMember_D17BFF04274D05CF2DD51516D56E04A3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_B6B9A88F32B77CAAB61A1516D56E516C" xlink:to="loc_wre_RestrictedShareAwardsMember_D17BFF04274D05CF2DD51516D56E04A3" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_UnrestrictedShareAwardsMember" xlink:label="loc_wre_UnrestrictedShareAwardsMember_5E83C52F48541DCADDFE1516D56FE4EB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_B6B9A88F32B77CAAB61A1516D56E516C" xlink:to="loc_wre_UnrestrictedShareAwardsMember_5E83C52F48541DCADDFE1516D56FE4EB" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue" xlink:label="loc_wre_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue_4D277DEDAC118A71CA7B1516D56F7F47" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_DB2D42214C4FA68536881516D56F6FBB" xlink:to="loc_wre_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue_4D277DEDAC118A71CA7B1516D56F7F47" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_UnamortizedValueOfShares" xlink:label="loc_wre_UnamortizedValueOfShares_2AE530B643049D27A7A51516D56F5D67" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_DB2D42214C4FA68536881516D56F6FBB" xlink:to="loc_wre_UnamortizedValueOfShares_2AE530B643049D27A7A51516D56F5D67" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/StockBasedCompensationRestrictedShareAwardsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FF6DD75D04D1AA6FEFC11516D582C6A6" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_302078F3197FC88E9E7C1516D5814844" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FF6DD75D04D1AA6FEFC11516D582C6A6" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_302078F3197FC88E9E7C1516D5814844" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_03D97669C927C952D0971516D582F598" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_302078F3197FC88E9E7C1516D5814844" xlink:to="loc_us-gaap_AwardTypeAxis_03D97669C927C952D0971516D582F598" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_09EE9D98A46CAE4617271516D582E632_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_03D97669C927C952D0971516D582F598" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_09EE9D98A46CAE4617271516D582E632_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_09EE9D98A46CAE4617271516D582E632" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_03D97669C927C952D0971516D582F598" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_09EE9D98A46CAE4617271516D582E632" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_RestrictedShareAwardsMember" xlink:label="loc_wre_RestrictedShareAwardsMember_73556A6CDD312833BC611516D582B15D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_09EE9D98A46CAE4617271516D582E632" xlink:to="loc_wre_RestrictedShareAwardsMember_73556A6CDD312833BC611516D582B15D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_4471FEBC2EA4FB139DE31516D582FDB2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FF6DD75D04D1AA6FEFC11516D582C6A6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_4471FEBC2EA4FB139DE31516D582FDB2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_64C9726140051EBBD8A21516D5871595" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_4471FEBC2EA4FB139DE31516D582FDB2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_64C9726140051EBBD8A21516D5871595" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_B4A4224F91A6AF2F07CA1516D5882FCC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_4471FEBC2EA4FB139DE31516D582FDB2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_B4A4224F91A6AF2F07CA1516D5882FCC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_3A9A80D1B2549A9493A31516D58819F3" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_4471FEBC2EA4FB139DE31516D582FDB2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_3A9A80D1B2549A9493A31516D58819F3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_7DEF860275498CA320E11516D588BC51" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_4471FEBC2EA4FB139DE31516D582FDB2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_7DEF860275498CA320E11516D588BC51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_4CA9B74CF664A570911B1516D5889D8F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FF6DD75D04D1AA6FEFC11516D582C6A6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_4CA9B74CF664A570911B1516D5889D8F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_D08A3E0B65163E92C7C51516D5881A5B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_4CA9B74CF664A570911B1516D5889D8F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_D08A3E0B65163E92C7C51516D5881A5B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_5F618CF40C5D34887BED1516D589BBCA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_4CA9B74CF664A570911B1516D5889D8F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_5F618CF40C5D34887BED1516D589BBCA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_488B19B6D858871D67751516D589DFAF" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_4CA9B74CF664A570911B1516D5889D8F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_488B19B6D858871D67751516D589DFAF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_0ED494E8C9923404C36C1516D589E26D" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_4CA9B74CF664A570911B1516D5889D8F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_0ED494E8C9923404C36C1516D589E26D" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/StockBasedCompensationTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/StockBasedCompensationValuationAssumptionsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFE19FE37F459CAF11041516D55EFAA2" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D5A93441F694E43A2A251516D55D7BEF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFE19FE37F459CAF11041516D55EFAA2" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D5A93441F694E43A2A251516D55D7BEF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_5C0A03583B651B1909BA1516D55D65D6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D5A93441F694E43A2A251516D55D7BEF" xlink:to="loc_us-gaap_PlanNameAxis_5C0A03583B651B1909BA1516D55D65D6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_532C40B6029B01B4411F1516D55D8FC4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_5C0A03583B651B1909BA1516D55D65D6" xlink:to="loc_us-gaap_PlanNameDomain_532C40B6029B01B4411F1516D55D8FC4_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_532C40B6029B01B4411F1516D55D8FC4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_5C0A03583B651B1909BA1516D55D65D6" xlink:to="loc_us-gaap_PlanNameDomain_532C40B6029B01B4411F1516D55D8FC4" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_NewLtipMember" xlink:label="loc_wre_NewLtipMember_A030ABA3BF8C05BFCE861516D55DF825" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_532C40B6029B01B4411F1516D55D8FC4" xlink:to="loc_wre_NewLtipMember_A030ABA3BF8C05BFCE861516D55DF825" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardDateAxis" xlink:label="loc_us-gaap_AwardDateAxis_559990958E4BE5E901B61516D55E1803" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D5A93441F694E43A2A251516D55D7BEF" xlink:to="loc_us-gaap_AwardDateAxis_559990958E4BE5E901B61516D55E1803" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardDateDomain" xlink:label="loc_us-gaap_AwardDateDomain_B3314862F34385EB15E51516D55E6A60_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardDateAxis_559990958E4BE5E901B61516D55E1803" xlink:to="loc_us-gaap_AwardDateDomain_B3314862F34385EB15E51516D55E6A60_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardDateDomain" xlink:label="loc_us-gaap_AwardDateDomain_B3314862F34385EB15E51516D55E6A60" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardDateAxis_559990958E4BE5E901B61516D55E1803" xlink:to="loc_us-gaap_AwardDateDomain_B3314862F34385EB15E51516D55E6A60" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_94C405DE3AE898A35D701516D55E4C50" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D5A93441F694E43A2A251516D55D7BEF" xlink:to="loc_us-gaap_AwardTypeAxis_94C405DE3AE898A35D701516D55E4C50" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D366E98DD9998918ED881516D55EBB1E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_94C405DE3AE898A35D701516D55E4C50" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D366E98DD9998918ED881516D55EBB1E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D366E98DD9998918ED881516D55EBB1E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_94C405DE3AE898A35D701516D55E4C50" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D366E98DD9998918ED881516D55EBB1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_A478B72F0C3FE48A091E1516D55EFD77" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D5A93441F694E43A2A251516D55D7BEF" xlink:to="loc_us-gaap_StatementClassOfStockAxis_A478B72F0C3FE48A091E1516D55EFD77" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_C736DF83CABFC194B92C1516D55ED185_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_A478B72F0C3FE48A091E1516D55EFD77" xlink:to="loc_us-gaap_ClassOfStockDomain_C736DF83CABFC194B92C1516D55ED185_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_C736DF83CABFC194B92C1516D55ED185" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_A478B72F0C3FE48A091E1516D55EFD77" xlink:to="loc_us-gaap_ClassOfStockDomain_C736DF83CABFC194B92C1516D55ED185" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_29355F4F3F33176A94031516D55E9049" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D5A93441F694E43A2A251516D55D7BEF" xlink:to="loc_us-gaap_RangeAxis_29355F4F3F33176A94031516D55E9049" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_F804A7B854EC22F996481516D55E7BE6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_29355F4F3F33176A94031516D55E9049" xlink:to="loc_us-gaap_RangeMember_F804A7B854EC22F996481516D55E7BE6_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_F804A7B854EC22F996481516D55E7BE6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_29355F4F3F33176A94031516D55E9049" xlink:to="loc_us-gaap_RangeMember_F804A7B854EC22F996481516D55E7BE6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_A1A1894D2A51FB80BBE21516D55E76F1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_F804A7B854EC22F996481516D55E7BE6" xlink:to="loc_us-gaap_MinimumMember_A1A1894D2A51FB80BBE21516D55E76F1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_4DF921285B0E2AAFEC2F1516D55EAC30" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_F804A7B854EC22F996481516D55E7BE6" xlink:to="loc_us-gaap_MaximumMember_4DF921285B0E2AAFEC2F1516D55EAC30" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_DA8210BD0FACE18DD73D1516D55EF154" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D5A93441F694E43A2A251516D55D7BEF" xlink:to="loc_us-gaap_VestingAxis_DA8210BD0FACE18DD73D1516D55EF154" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_C01E760DF4540A0525991516D55E7377_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_DA8210BD0FACE18DD73D1516D55EF154" xlink:to="loc_us-gaap_VestingDomain_C01E760DF4540A0525991516D55E7377_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_C01E760DF4540A0525991516D55E7377" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_DA8210BD0FACE18DD73D1516D55EF154" xlink:to="loc_us-gaap_VestingDomain_C01E760DF4540A0525991516D55E7377" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_C0661CD9041B1A46A0561516D55ED338" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFE19FE37F459CAF11041516D55EFAA2" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_C0661CD9041B1A46A0561516D55ED338" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_CAB0EB97253A16EB6D9B1516D55F99F2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFE19FE37F459CAF11041516D55EFAA2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_CAB0EB97253A16EB6D9B1516D55F99F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_554EAA90E353B9836AB71516D55FCAAD" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFE19FE37F459CAF11041516D55EFAA2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_554EAA90E353B9836AB71516D55FCAAD" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_ClosingSharePriceDateOfGrant" xlink:label="loc_wre_ClosingSharePriceDateOfGrant_92250E7742E887FD23AD1516D55F359A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFE19FE37F459CAF11041516D55EFAA2" xlink:to="loc_wre_ClosingSharePriceDateOfGrant_92250E7742E887FD23AD1516D55F359A" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/SummaryOfReInvestmentsDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/SummaryOfReInvestmentsNotes" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/UnsecuredLinesOfCreditPayable" xlink:type="extended" />
  <definitionLink xlink:role="http://www.writ.com/role/UnsecuredLinesOfCreditPayableLinesOfCreditUnusedAndAvailableDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_96F6116A608DCF5FD04C19D688FEECE7" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_43DE85CA21960BC3749B19D688FD0420" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_96F6116A608DCF5FD04C19D688FEECE7" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_43DE85CA21960BC3749B19D688FD0420" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_29E494B7BCE560E7EFB919D688FEB6C7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_43DE85CA21960BC3749B19D688FD0420" xlink:to="loc_us-gaap_CreditFacilityAxis_29E494B7BCE560E7EFB919D688FEB6C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_170B842F60CEB5811FBE19D688FE0E36_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_29E494B7BCE560E7EFB919D688FEB6C7" xlink:to="loc_us-gaap_CreditFacilityDomain_170B842F60CEB5811FBE19D688FE0E36_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_170B842F60CEB5811FBE19D688FE0E36" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_29E494B7BCE560E7EFB919D688FEB6C7" xlink:to="loc_us-gaap_CreditFacilityDomain_170B842F60CEB5811FBE19D688FE0E36" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_5EB69E33E007AE5DE9E219D688FE3738" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_170B842F60CEB5811FBE19D688FE0E36" xlink:to="loc_us-gaap_LineOfCreditMember_5EB69E33E007AE5DE9E219D688FE3738" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_2C15202B1FCA8735A1D919D688FEF3A1" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_43DE85CA21960BC3749B19D688FD0420" xlink:to="loc_us-gaap_StatementScenarioAxis_2C15202B1FCA8735A1D919D688FEF3A1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_EA2880834A31B71AB7A019D688FE65BF_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_2C15202B1FCA8735A1D919D688FEF3A1" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_EA2880834A31B71AB7A019D688FE65BF_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_EA2880834A31B71AB7A019D688FE65BF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_2C15202B1FCA8735A1D919D688FEF3A1" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_EA2880834A31B71AB7A019D688FE65BF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_D3922764DBB731C31C2A19D688FECAA0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_43DE85CA21960BC3749B19D688FD0420" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_D3922764DBB731C31C2A19D688FECAA0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_1046A429BC313C45A9A619D688FE28DA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_D3922764DBB731C31C2A19D688FECAA0" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_1046A429BC313C45A9A619D688FE28DA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_1046A429BC313C45A9A619D688FE28DA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_D3922764DBB731C31C2A19D688FECAA0" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_1046A429BC313C45A9A619D688FE28DA" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_CreditFacilityNo1Member" xlink:label="loc_wre_CreditFacilityNo1Member_6EBD06B9F673A54CD6BD19D688FECF26" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_1046A429BC313C45A9A619D688FE28DA" xlink:to="loc_wre_CreditFacilityNo1Member_6EBD06B9F673A54CD6BD19D688FECF26" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_CreditFacilityNo2Member" xlink:label="loc_wre_CreditFacilityNo2Member_518071938E2B81A6EAAA19D688FE514B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_1046A429BC313C45A9A619D688FE28DA" xlink:to="loc_wre_CreditFacilityNo2Member_518071938E2B81A6EAAA19D688FE514B" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_Creditfacility2015Member" xlink:label="loc_wre_Creditfacility2015Member_8A643B9046280BAF575419D688FE9E4C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_1046A429BC313C45A9A619D688FE28DA" xlink:to="loc_wre_Creditfacility2015Member_8A643B9046280BAF575419D688FE9E4C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeeAmount" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeeAmount_20AF17E1DF7650800A1F19D688FE7B44" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_96F6116A608DCF5FD04C19D688FEECE7" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeeAmount_20AF17E1DF7650800A1F19D688FE7B44" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_9EE1EB7E454FA484C0C519D688FE344A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_96F6116A608DCF5FD04C19D688FEECE7" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_9EE1EB7E454FA484C0C519D688FE344A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_D33021C662DCFDB4F2C719D688FE0C62" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_96F6116A608DCF5FD04C19D688FEECE7" xlink:to="loc_us-gaap_LineOfCredit_D33021C662DCFDB4F2C719D688FE0C62" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_93CF4EC513212259AF7719D688FF8DA4" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_96F6116A608DCF5FD04C19D688FEECE7" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_93CF4EC513212259AF7719D688FF8DA4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_0E0296A45D0A72DFE5BC19D688FF99D1" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_96F6116A608DCF5FD04C19D688FEECE7" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_0E0296A45D0A72DFE5BC19D688FF99D1" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/UnsecuredLinesOfCreditPayableRepaymentsAndBorrowingsOnUnsecuredLinesOfCreditDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_DD9DB5A0C80637F929BC19D688E71EB2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_DD9DB5A0C80637F929BC19D688E71EB2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_1580C951CA8F89CCD93619D688E78398" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_DD9DB5A0C80637F929BC19D688E71EB2" xlink:to="loc_us-gaap_RangeAxis_1580C951CA8F89CCD93619D688E78398" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_495EB14CE6092B7BB86219D688E790A8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_1580C951CA8F89CCD93619D688E78398" xlink:to="loc_us-gaap_RangeMember_495EB14CE6092B7BB86219D688E790A8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_495EB14CE6092B7BB86219D688E790A8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_1580C951CA8F89CCD93619D688E78398" xlink:to="loc_us-gaap_RangeMember_495EB14CE6092B7BB86219D688E790A8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_EAA06293794B944B48D019D688E7BE80" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_495EB14CE6092B7BB86219D688E790A8" xlink:to="loc_us-gaap_MinimumMember_EAA06293794B944B48D019D688E7BE80" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_BF50379C3A35026F289B19D688E76A93" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_495EB14CE6092B7BB86219D688E790A8" xlink:to="loc_us-gaap_MaximumMember_BF50379C3A35026F289B19D688E76A93" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_80D11A473A3929B0BBBF19D688EC8CF0" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_DD9DB5A0C80637F929BC19D688E71EB2" xlink:to="loc_us-gaap_CreditFacilityAxis_80D11A473A3929B0BBBF19D688EC8CF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_D6F06AFAC098A053431219D688EC23AB_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_80D11A473A3929B0BBBF19D688EC8CF0" xlink:to="loc_us-gaap_CreditFacilityDomain_D6F06AFAC098A053431219D688EC23AB_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_D6F06AFAC098A053431219D688EC23AB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_80D11A473A3929B0BBBF19D688EC8CF0" xlink:to="loc_us-gaap_CreditFacilityDomain_D6F06AFAC098A053431219D688EC23AB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_35A2941E663672CCD24619D688EC5ECE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_D6F06AFAC098A053431219D688EC23AB" xlink:to="loc_us-gaap_LineOfCreditMember_35A2941E663672CCD24619D688EC5ECE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_5BE5E20075FD244237F419D688EC1A9A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_DD9DB5A0C80637F929BC19D688E71EB2" xlink:to="loc_us-gaap_VariableRateAxis_5BE5E20075FD244237F419D688EC1A9A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_47B8A56568959FF4B3A919D688EC9E1E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_5BE5E20075FD244237F419D688EC1A9A" xlink:to="loc_us-gaap_VariableRateDomain_47B8A56568959FF4B3A919D688EC9E1E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_47B8A56568959FF4B3A919D688EC9E1E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_5BE5E20075FD244237F419D688EC1A9A" xlink:to="loc_us-gaap_VariableRateDomain_47B8A56568959FF4B3A919D688EC9E1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_9ED75F3A92DB02CD979019D688ED1023" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_47B8A56568959FF4B3A919D688EC9E1E" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_9ED75F3A92DB02CD979019D688ED1023" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BaseRateMember" xlink:label="loc_us-gaap_BaseRateMember_9846CBE41F54574B328019D688EDFF0B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_47B8A56568959FF4B3A919D688EC9E1E" xlink:to="loc_us-gaap_BaseRateMember_9846CBE41F54574B328019D688EDFF0B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FederalFundsEffectiveSwapRateMember" xlink:label="loc_us-gaap_FederalFundsEffectiveSwapRateMember_4F7F900603A3780B40B419D688EDEEE0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_47B8A56568959FF4B3A919D688EC9E1E" xlink:to="loc_us-gaap_FederalFundsEffectiveSwapRateMember_4F7F900603A3780B40B419D688EDEEE0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_097C97064D44EE77539A19D688ED6613" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_DD9DB5A0C80637F929BC19D688E71EB2" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_097C97064D44EE77539A19D688ED6613" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_25CCC4E740EE17A41C5D19D688ED415A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_097C97064D44EE77539A19D688ED6613" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_25CCC4E740EE17A41C5D19D688ED415A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_25CCC4E740EE17A41C5D19D688ED415A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_097C97064D44EE77539A19D688ED6613" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_25CCC4E740EE17A41C5D19D688ED415A" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_CreditFacilityNo1Member" xlink:label="loc_wre_CreditFacilityNo1Member_E5561B19F1874D013D9719D688EDFB84" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_25CCC4E740EE17A41C5D19D688ED415A" xlink:to="loc_wre_CreditFacilityNo1Member_E5561B19F1874D013D9719D688EDFB84" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_CreditFacilityNo2Member" xlink:label="loc_wre_CreditFacilityNo2Member_B99AFD88D9DE4A14B0D919D688ED52A4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_25CCC4E740EE17A41C5D19D688ED415A" xlink:to="loc_wre_CreditFacilityNo2Member_B99AFD88D9DE4A14B0D919D688ED52A4" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_Creditfacility2015Member" xlink:label="loc_wre_Creditfacility2015Member_F083612C9BE3ED489A6D19D688ED6E6F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_25CCC4E740EE17A41C5D19D688ED415A" xlink:to="loc_wre_Creditfacility2015Member_F083612C9BE3ED489A6D19D688ED6E6F" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_DebtInstrumentVariableRate" xlink:label="loc_wre_DebtInstrumentVariableRate_99E205F1FF892D4B9A8719F5B8EC1EC4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_wre_DebtInstrumentVariableRate_99E205F1FF892D4B9A8719F5B8EC1EC4" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_USCoveredTerrorismLossesPercent" xlink:label="loc_wre_USCoveredTerrorismLossesPercent_FCA569FB5E765006F4A819D688ED3ADF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_wre_USCoveredTerrorismLossesPercent_FCA569FB5E765006F4A819D688ED3ADF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityPeriodicPaymentInterest" xlink:label="loc_us-gaap_LineOfCreditFacilityPeriodicPaymentInterest_8D04940E8F0F2BA920A919D688ED07F7" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_us-gaap_LineOfCreditFacilityPeriodicPaymentInterest_8D04940E8F0F2BA920A919D688ED07F7" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_LineOfCreditFacilityAmountOutstandingRollForward" xlink:label="loc_wre_LineOfCreditFacilityAmountOutstandingRollForward_33AB74BF2DA24C39B16A19D688EDECA8" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_wre_LineOfCreditFacilityAmountOutstandingRollForward_33AB74BF2DA24C39B16A19D688EDECA8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_140CBA607DE349F8D28519D688EDD871" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_LineOfCreditFacilityAmountOutstandingRollForward_33AB74BF2DA24C39B16A19D688EDECA8" xlink:to="loc_us-gaap_LineOfCredit_140CBA607DE349F8D28519D688EDD871" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_615A70FAB192FE8E185F19D688ED6AFC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_LineOfCreditFacilityAmountOutstandingRollForward_33AB74BF2DA24C39B16A19D688EDECA8" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_615A70FAB192FE8E185F19D688ED6AFC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_7EE8257FAF878992F7FC19D688ED8AFD" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wre_LineOfCreditFacilityAmountOutstandingRollForward_33AB74BF2DA24C39B16A19D688EDECA8" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_7EE8257FAF878992F7FC19D688ED8AFD" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_LineOfCreditExtensionTerm" xlink:label="loc_wre_LineOfCreditExtensionTerm_7E74E69672BAD648593619D688EEC12A" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_wre_LineOfCreditExtensionTerm_7E74E69672BAD648593619D688EEC12A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_7F311E50424F9DEEA5AD19D688EE2606" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_7F311E50424F9DEEA5AD19D688EE2606" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationDate1_516BF712F7ABC5ECF05E19D688EEF8E9" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_us-gaap_LineOfCreditFacilityExpirationDate1_516BF712F7ABC5ECF05E19D688EEF8E9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_8DF07C926D9F6F04A5A919D688EE869A" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_8DF07C926D9F6F04A5A919D688EE869A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeeAmount" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeeAmount_BA852301356C4FCD5DE919D688EE025C" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeeAmount_BA852301356C4FCD5DE919D688EE025C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_5A1CDD85651C040A3BF619D688EE77E2" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_5A1CDD85651C040A3BF619D688EE77E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAverageOutstandingAmount" xlink:label="loc_us-gaap_LineOfCreditFacilityAverageOutstandingAmount_353EA31BD9B240EFC32E19D688EEFE9E" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_us-gaap_LineOfCreditFacilityAverageOutstandingAmount_353EA31BD9B240EFC32E19D688EEFE9E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_351B1DA1FF9B89B40A2219D688EEDEB8" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_351B1DA1FF9B89B40A2219D688EEDEB8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_494A10A651BDFE1A7E9E19D688EE2233" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_494A10A651BDFE1A7E9E19D688EE2233" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_F18C59E0CAC5BF34B72819D688EE822C" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_F18C59E0CAC5BF34B72819D688EE822C" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_InsuranceProviderCoveredTerrorismLossesPercent" xlink:label="loc_wre_InsuranceProviderCoveredTerrorismLossesPercent_D10315B410E533E76EF719D688EE79D5" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_wre_InsuranceProviderCoveredTerrorismLossesPercent_D10315B410E533E76EF719D688EE79D5" xlink:type="arc" />
    <loc xlink:href="wre-20151231.xsd#wre_AggregateInsuranceLimitForTerrorismLosses" xlink:label="loc_wre_AggregateInsuranceLimitForTerrorismLosses_C6D5F4E85FB366B0498619D688EE6D80" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_806C3678FBEDCC0A500419D688ED65FE" xlink:to="loc_wre_AggregateInsuranceLimitForTerrorismLosses_C6D5F4E85FB366B0498619D688EE6D80" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.writ.com/role/UnsecuredLinesOfCreditPayableTables" xlink:type="extended" />
</linkbase>
