<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2021 Workiva-->
<!--r:38989f12-eb8f-4ae1-9493-047759e3f9a9,g:10e78b78-f225-442f-8f8b-93580681c203-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.lxp.com/role/Cover" xlink:type="simple" xlink:href="lxp-20210630.xsd#Cover"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/Cover" xlink:type="extended" id="i357162bbdc304f28845a3061b0162bdc_Cover">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_afd6f19b-0a98-4182-abf7-1ec10345f9d0" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_DocumentType_afd6f19b-0a98-4182-abf7-1ec10345f9d0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_3288db33-b4a2-4f69-b048-6616692e83ab" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentQuarterlyReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_DocumentQuarterlyReport_3288db33-b4a2-4f69-b048-6616692e83ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_a61178a0-7938-4adf-9036-f15dd2c637a2" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_DocumentPeriodEndDate_a61178a0-7938-4adf-9036-f15dd2c637a2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_fd4e37a5-8198-4b11-b29c-5c74518403bd" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_DocumentTransitionReport_fd4e37a5-8198-4b11-b29c-5c74518403bd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_4d3d6a2c-573b-49f7-a4a7-1350211a08fb" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityFileNumber_4d3d6a2c-573b-49f7-a4a7-1350211a08fb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_2e3911dd-2760-4b6f-8b84-86f31dc35891" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityRegistrantName_2e3911dd-2760-4b6f-8b84-86f31dc35891" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_b383ffc9-034b-4b57-b0f7-618feb4e670d" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityIncorporationStateCountryCode_b383ffc9-034b-4b57-b0f7-618feb4e670d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_846942a0-3f73-4a5d-a84f-8dc3a9b48bc5" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityTaxIdentificationNumber_846942a0-3f73-4a5d-a84f-8dc3a9b48bc5" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_bbf3600a-e3fb-4690-a45d-e89d616a7a26" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityAddressAddressLine1_bbf3600a-e3fb-4690-a45d-e89d616a7a26" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_9580aad3-81fb-422d-9261-1026207d3131" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityAddressCityOrTown_9580aad3-81fb-422d-9261-1026207d3131" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_1e10807a-409e-4a1a-bef1-f39aa6f52d4d" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityAddressStateOrProvince_1e10807a-409e-4a1a-bef1-f39aa6f52d4d" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_852c0f9f-c913-4ee0-917c-7e14eff95e39" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityAddressPostalZipCode_852c0f9f-c913-4ee0-917c-7e14eff95e39" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_aea3b3cb-ac4e-492e-a139-d89278458b69" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_CityAreaCode_aea3b3cb-ac4e-492e-a139-d89278458b69" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_bf6ebf9b-c45c-44b2-9dcf-550c9c2ba2f7" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_LocalPhoneNumber_bf6ebf9b-c45c-44b2-9dcf-550c9c2ba2f7" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_2c877557-2ba1-4d77-8f74-297c5eaf6fb0" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_Security12bTitle_2c877557-2ba1-4d77-8f74-297c5eaf6fb0" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_33d30ad8-2b94-45a1-9243-2222731a69c4" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_TradingSymbol_33d30ad8-2b94-45a1-9243-2222731a69c4" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_437bd857-f7f3-4e82-8898-58b473069c4c" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_SecurityExchangeName_437bd857-f7f3-4e82-8898-58b473069c4c" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_0908517d-9e78-40b1-a81f-0a1d808761ef" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityCurrentReportingStatus_0908517d-9e78-40b1-a81f-0a1d808761ef" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_1a6e6f71-dad4-4a35-ae91-1b5b54cb6e88" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityInteractiveDataCurrent_1a6e6f71-dad4-4a35-ae91-1b5b54cb6e88" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_96e1d4b5-d5cc-4c85-b4da-3dcb369c8337" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityFilerCategory_96e1d4b5-d5cc-4c85-b4da-3dcb369c8337" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_5fbb6769-8aeb-4027-a232-23d5125ee30e" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntitySmallBusiness_5fbb6769-8aeb-4027-a232-23d5125ee30e" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_4b4d9b84-61a3-4f9d-a5a4-c73619a57c8f" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityEmergingGrowthCompany_4b4d9b84-61a3-4f9d-a5a4-c73619a57c8f" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_30ca79af-4181-423b-8e5f-f5add316de25" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityShellCompany_30ca79af-4181-423b-8e5f-f5add316de25" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_7cc49011-adda-4086-9a6a-69e66cddc051" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_7cc49011-adda-4086-9a6a-69e66cddc051" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_9ddb30f3-1342-462c-8081-1e563250f236" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_EntityCentralIndexKey_9ddb30f3-1342-462c-8081-1e563250f236" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_d408e40d-9d18-428d-aecf-903d57f9ded9" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_CurrentFiscalYearEndDate_d408e40d-9d18-428d-aecf-903d57f9ded9" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_83dc8ae5-a365-4861-a9fc-9cee185859c0" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_DocumentFiscalYearFocus_83dc8ae5-a365-4861-a9fc-9cee185859c0" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_81ba2eb4-f38d-4ac2-9958-d7a84cc3f507" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_DocumentFiscalPeriodFocus_81ba2eb4-f38d-4ac2-9958-d7a84cc3f507" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_0b5815db-d4a4-420b-a8b6-96e8b8c886b8" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_AmendmentFlag_0b5815db-d4a4-420b-a8b6-96e8b8c886b8" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_255ea417-8df6-460d-9a56-816574b04653" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_2b33b015-d4ed-4a83-b3b6-02d8ec18f57d" xlink:to="loc_dei_DocumentInformationTable_255ea417-8df6-460d-9a56-816574b04653" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_0f7124e2-710c-4e1d-8afa-0ac4d6e5b512" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_255ea417-8df6-460d-9a56-816574b04653" xlink:to="loc_us-gaap_StatementClassOfStockAxis_0f7124e2-710c-4e1d-8afa-0ac4d6e5b512" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_0f7124e2-710c-4e1d-8afa-0ac4d6e5b512_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_0f7124e2-710c-4e1d-8afa-0ac4d6e5b512" xlink:to="loc_us-gaap_ClassOfStockDomain_0f7124e2-710c-4e1d-8afa-0ac4d6e5b512_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_5b1eb6b9-8fd3-4aec-86e3-5e294c015d18" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_0f7124e2-710c-4e1d-8afa-0ac4d6e5b512" xlink:to="loc_us-gaap_ClassOfStockDomain_5b1eb6b9-8fd3-4aec-86e3-5e294c015d18" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_a1ce7c7c-fdce-4a0b-a8cc-a2bc16992f9c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_5b1eb6b9-8fd3-4aec-86e3-5e294c015d18" xlink:to="loc_us-gaap_CommonStockMember_a1ce7c7c-fdce-4a0b-a8cc-a2bc16992f9c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesCPreferredStockMember_87f6c616-5698-4182-b576-2f1251a0f049" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesCPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_5b1eb6b9-8fd3-4aec-86e3-5e294c015d18" xlink:to="loc_us-gaap_SeriesCPreferredStockMember_87f6c616-5698-4182-b576-2f1251a0f049" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="lxp-20210630.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended" id="iec2b6c7b99194596b6b6adcea4792cbd_CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_07e254e0-8f34-49ce-8706-f1b4c0368e8d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerAbstract_07e254e0-8f34-49ce-8706-f1b4c0368e8d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseIncome_d7db6535-474f-4f6d-a145-c646c24bb183" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_07e254e0-8f34-49ce-8706-f1b4c0368e8d" xlink:to="loc_us-gaap_LeaseIncome_d7db6535-474f-4f6d-a145-c646c24bb183" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_e0adbe5b-9c3a-4cc8-8308-44ac921546ad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_07e254e0-8f34-49ce-8706-f1b4c0368e8d" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_e0adbe5b-9c3a-4cc8-8308-44ac921546ad" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_c504caa4-4b5a-43f2-9800-ddd9e855c14e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_07e254e0-8f34-49ce-8706-f1b4c0368e8d" xlink:to="loc_us-gaap_Revenues_c504caa4-4b5a-43f2-9800-ddd9e855c14e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_2343a47f-e3c8-4cca-8dac-2b53b4bc8b2f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_OperatingExpensesAbstract_2343a47f-e3c8-4cca-8dac-2b53b4bc8b2f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_05db71da-49b8-4c0d-952d-54ab7cc2055a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_2343a47f-e3c8-4cca-8dac-2b53b4bc8b2f" xlink:to="loc_us-gaap_DepreciationAndAmortization_05db71da-49b8-4c0d-952d-54ab7cc2055a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_0748dd66-2ea6-4969-a7af-c0b7ebcda0ac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_2343a47f-e3c8-4cca-8dac-2b53b4bc8b2f" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_0748dd66-2ea6-4969-a7af-c0b7ebcda0ac" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_6a1006d3-0b07-4d8d-af05-8ec1255a0ea8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_6a1006d3-0b07-4d8d-af05-8ec1255a0ea8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_e3f5cf06-b9e4-413e-8fc1-98af00c30fe4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_e3f5cf06-b9e4-413e-8fc1-98af00c30fe4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_83104d01-6e75-48a8-b0a0-cbcc34e60879" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_InterestExpense_83104d01-6e75-48a8-b0a0-cbcc34e60879" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_709f9934-6a6a-4046-bca6-0304f4f8ac92" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_709f9934-6a6a-4046-bca6-0304f4f8ac92" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_9d5a748e-2f16-4a3b-9d9e-c4509ef70d0c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_AssetImpairmentCharges_9d5a748e-2f16-4a3b-9d9e-c4509ef70d0c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_38571da5-a26c-41c0-af0f-1e1afdbf2507" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_38571da5-a26c-41c0-af0f-1e1afdbf2507" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_680b9ccd-6231-4c9b-9b60-c24513e18ce2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_680b9ccd-6231-4c9b-9b60-c24513e18ce2" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_91b99687-eba4-438d-8e12-0031c656b690" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_91b99687-eba4-438d-8e12-0031c656b690" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_a1d0cd68-0fc2-4e38-8f92-721ecbbfee59" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_a1d0cd68-0fc2-4e38-8f92-721ecbbfee59" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_5df02854-90e8-42e2-949c-a6ef443854ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_ProfitLoss_5df02854-90e8-42e2-949c-a6ef443854ef" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_82c65d87-efc9-44af-a399-7d130f807a3b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_82c65d87-efc9-44af-a399-7d130f807a3b" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_cbda6be5-6b4d-4dca-89cc-cc22bfd741f3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_NetIncomeLoss_cbda6be5-6b4d-4dca-89cc-cc22bfd741f3" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPreferredStock_2b0d7a65-6efd-46e9-886c-19d4e84d041c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsPreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_DividendsPreferredStock_2b0d7a65-6efd-46e9-886c-19d4e84d041c" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic_b2cff5d6-a892-4307-a804-fe19c260acba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic_b2cff5d6-a892-4307-a804-fe19c260acba" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_26350456-da50-4292-a3e0-1fe635209d16" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_26350456-da50-4292-a3e0-1fe635209d16" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_e9e57c2a-9fcb-4b3b-b939-92e27ddc87ec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_EarningsPerShareBasic_e9e57c2a-9fcb-4b3b-b939-92e27ddc87ec" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_36c42cb4-9de0-4298-916f-dec8332f9db0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_36c42cb4-9de0-4298-916f-dec8332f9db0" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_69cf257a-391f-4493-8cf0-34bfbd33aca6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_EarningsPerShareDiluted_69cf257a-391f-4493-8cf0-34bfbd33aca6" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_da34bcd2-fddd-4917-9a19-fefd3f96fea8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_da34bcd2-fddd-4917-9a19-fefd3f96fea8" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_b4a13489-d17c-4b14-8987-38792ca3cced" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_34684297-c354-463d-b60b-9d37ca60aaa8" xlink:to="loc_us-gaap_StatementTable_b4a13489-d17c-4b14-8987-38792ca3cced" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_1528deea-accb-43e7-9246-266604dff2df" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_b4a13489-d17c-4b14-8987-38792ca3cced" xlink:to="loc_srt_ProductOrServiceAxis_1528deea-accb-43e7-9246-266604dff2df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_1528deea-accb-43e7-9246-266604dff2df_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_1528deea-accb-43e7-9246-266604dff2df" xlink:to="loc_srt_ProductsAndServicesDomain_1528deea-accb-43e7-9246-266604dff2df_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_9ba078f3-1fe0-4d66-bc3a-c75c5bef2a2c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_1528deea-accb-43e7-9246-266604dff2df" xlink:to="loc_srt_ProductsAndServicesDomain_9ba078f3-1fe0-4d66-bc3a-c75c5bef2a2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductAndServiceOtherMember_513c5a5b-b78f-4d0a-8495-d09f8c3cdce3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductAndServiceOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_9ba078f3-1fe0-4d66-bc3a-c75c5bef2a2c" xlink:to="loc_us-gaap_ProductAndServiceOtherMember_513c5a5b-b78f-4d0a-8495-d09f8c3cdce3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateMember_68573065-0f49-4139-b6bc-f8db4f8c80b2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_9ba078f3-1fe0-4d66-bc3a-c75c5bef2a2c" xlink:to="loc_us-gaap_RealEstateMember_68573065-0f49-4139-b6bc-f8db4f8c80b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_b1d10947-8d60-4523-949b-446ccccef056" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_b4a13489-d17c-4b14-8987-38792ca3cced" xlink:to="loc_us-gaap_StatementClassOfStockAxis_b1d10947-8d60-4523-949b-446ccccef056" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_b1d10947-8d60-4523-949b-446ccccef056_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_b1d10947-8d60-4523-949b-446ccccef056" xlink:to="loc_us-gaap_ClassOfStockDomain_b1d10947-8d60-4523-949b-446ccccef056_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_c23619d8-ef7b-4316-bff5-bea6f24c5e3a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_b1d10947-8d60-4523-949b-446ccccef056" xlink:to="loc_us-gaap_ClassOfStockDomain_c23619d8-ef7b-4316-bff5-bea6f24c5e3a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesCPreferredStockMember_3c26c5d7-9bd6-42ca-a9cf-a36fc240c664" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesCPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_c23619d8-ef7b-4316-bff5-bea6f24c5e3a" xlink:to="loc_us-gaap_SeriesCPreferredStockMember_3c26c5d7-9bd6-42ca-a9cf-a36fc240c664" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINEQUITY" xlink:type="simple" xlink:href="lxp-20210630.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINEQUITY"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINEQUITY" xlink:type="extended" id="i601e66db67044554a0fb9a4cf2d42566_CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINEQUITY">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_b21aa6ad-04e2-476a-87ee-d2e2997e54b7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_b21aa6ad-04e2-476a-87ee-d2e2997e54b7" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_b063f154-692b-41ac-b284-6f5bc1e0bc21" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_b063f154-692b-41ac-b284-6f5bc1e0bc21" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance_d386150e-96be-4eaf-b80b-23be54708781" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:to="loc_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance_d386150e-96be-4eaf-b80b-23be54708781" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_f67eba63-4d35-4926-914c-df67159adf35" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MinorityInterestDecreaseFromRedemptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_f67eba63-4d35-4926-914c-df67159adf35" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_CommonSharesIssuanceAndDeferredCompensationCostsAmortization_545ea492-b1af-4dbd-a94c-ac8bd63f4b96" xlink:href="lxp-20210630.xsd#lxp_CommonSharesIssuanceAndDeferredCompensationCostsAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:to="loc_lxp_CommonSharesIssuanceAndDeferredCompensationCostsAmortization_545ea492-b1af-4dbd-a94c-ac8bd63f4b96" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_a2610d91-fc55-4d95-9de1-47906c54a04e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_a2610d91-fc55-4d95-9de1-47906c54a04e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_f310f429-c8b5-484d-b7f8-1ad4d6bd1e32" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_f310f429-c8b5-484d-b7f8-1ad4d6bd1e32" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_b72141e1-ece4-4a6a-b0b4-8ae86d931b79" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsCommonStockCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:to="loc_us-gaap_DividendsCommonStockCash_b72141e1-ece4-4a6a-b0b4-8ae86d931b79" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_ea3ff20c-90f9-48fa-8abc-dc776200364d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:to="loc_us-gaap_ProfitLoss_ea3ff20c-90f9-48fa-8abc-dc776200364d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_6d10b43e-dde6-4a43-8651-6bf93abaee11" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_6d10b43e-dde6-4a43-8651-6bf93abaee11" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NoncontrollingInterestDecreaseFromReallocation_599e0430-f9af-4d62-9d9b-143b2d2054b2" xlink:href="lxp-20210630.xsd#lxp_NoncontrollingInterestDecreaseFromReallocation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:to="loc_lxp_NoncontrollingInterestDecreaseFromReallocation_599e0430-f9af-4d62-9d9b-143b2d2054b2" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_be01fd02-ec10-4c60-887b-8eb654beb0f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35a23da1-bc69-45d8-b721-bd7574eeee09" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodValue_be01fd02-ec10-4c60-887b-8eb654beb0f7" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_d56b5a7f-a546-447e-a856-d502e1b912a0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_2075646d-9b45-4849-a378-ea759ac083a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_b21aa6ad-04e2-476a-87ee-d2e2997e54b7" xlink:to="loc_us-gaap_StatementTable_2075646d-9b45-4849-a378-ea759ac083a5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_fb8b9410-cc78-49d4-8165-72e5081901ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2075646d-9b45-4849-a378-ea759ac083a5" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_fb8b9410-cc78-49d4-8165-72e5081901ef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_fb8b9410-cc78-49d4-8165-72e5081901ef_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_fb8b9410-cc78-49d4-8165-72e5081901ef" xlink:to="loc_us-gaap_EquityComponentDomain_fb8b9410-cc78-49d4-8165-72e5081901ef_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_980563f9-6510-4572-b03d-d147282c6039" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_fb8b9410-cc78-49d4-8165-72e5081901ef" xlink:to="loc_us-gaap_EquityComponentDomain_980563f9-6510-4572-b03d-d147282c6039" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockMember_0fb57042-ac6f-4149-bb0c-7acbad14a388" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_980563f9-6510-4572-b03d-d147282c6039" xlink:to="loc_us-gaap_PreferredStockMember_0fb57042-ac6f-4149-bb0c-7acbad14a388" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_893c51e8-52ca-4f2e-a1da-8161d447d558" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_980563f9-6510-4572-b03d-d147282c6039" xlink:to="loc_us-gaap_CommonStockMember_893c51e8-52ca-4f2e-a1da-8161d447d558" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_d14f97e1-e4b7-4dbe-ab77-b1255878fc45" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_980563f9-6510-4572-b03d-d147282c6039" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_d14f97e1-e4b7-4dbe-ab77-b1255878fc45" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_d3f9cc13-752b-4e33-823e-0cb242bca39f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_980563f9-6510-4572-b03d-d147282c6039" xlink:to="loc_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_d3f9cc13-752b-4e33-823e-0cb242bca39f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_67d48303-13d9-4947-8675-c3343518e915" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_980563f9-6510-4572-b03d-d147282c6039" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_67d48303-13d9-4947-8675-c3343518e915" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_4a3e3d66-a2ff-4f52-b8e8-3facf547c7af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_980563f9-6510-4572-b03d-d147282c6039" xlink:to="loc_us-gaap_NoncontrollingInterestMember_4a3e3d66-a2ff-4f52-b8e8-3facf547c7af" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/TheCompanyandFinancialStatementPresentationAdditionalInformationDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#TheCompanyandFinancialStatementPresentationAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/TheCompanyandFinancialStatementPresentationAdditionalInformationDetails" xlink:type="extended" id="i34a7db9e463e4de099d475a7a246e9c7_TheCompanyandFinancialStatementPresentationAdditionalInformationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_a5c6e1da-d969-495f-aeaa-b6ac89037456" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NumberOfJointVenturesAcquired_0b504261-f203-473c-92cf-c9382206e4e4" xlink:href="lxp-20210630.xsd#lxp_NumberOfJointVenturesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_a5c6e1da-d969-495f-aeaa-b6ac89037456" xlink:to="loc_lxp_NumberOfJointVenturesAcquired_0b504261-f203-473c-92cf-c9382206e4e4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityOwnershipPercentage_3b24fedf-b3ac-4724-a926-4a3b44778cd4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_a5c6e1da-d969-495f-aeaa-b6ac89037456" xlink:to="loc_us-gaap_VariableInterestEntityOwnershipPercentage_3b24fedf-b3ac-4724-a926-4a3b44778cd4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_774f924c-c890-438a-b9c1-e22d99af448e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_a5c6e1da-d969-495f-aeaa-b6ac89037456" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_774f924c-c890-438a-b9c1-e22d99af448e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_321cf93f-2c3c-4d05-b237-397cd4915ff6" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_774f924c-c890-438a-b9c1-e22d99af448e" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_321cf93f-2c3c-4d05-b237-397cd4915ff6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_321cf93f-2c3c-4d05-b237-397cd4915ff6_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_321cf93f-2c3c-4d05-b237-397cd4915ff6" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_321cf93f-2c3c-4d05-b237-397cd4915ff6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_1b1c588e-d1f0-4b9a-9fa4-32663828b292" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_321cf93f-2c3c-4d05-b237-397cd4915ff6" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_1b1c588e-d1f0-4b9a-9fa4-32663828b292" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_LCIFMember_f937f118-351b-43fd-8e92-e4ef5cc3108a" xlink:href="lxp-20210630.xsd#lxp_LCIFMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_1b1c588e-d1f0-4b9a-9fa4-32663828b292" xlink:to="loc_lxp_LCIFMember_f937f118-351b-43fd-8e92-e4ef5cc3108a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_FairburnJVMember_ba7e2b06-8d6f-4dbc-ae6f-19b9922d6221" xlink:href="lxp-20210630.xsd#lxp_FairburnJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_1b1c588e-d1f0-4b9a-9fa4-32663828b292" xlink:to="loc_lxp_FairburnJVMember_ba7e2b06-8d6f-4dbc-ae6f-19b9922d6221" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_ea0a1e2c-708a-47f7-9cf5-05f64317d203" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_774f924c-c890-438a-b9c1-e22d99af448e" xlink:to="loc_srt_ConsolidatedEntitiesAxis_ea0a1e2c-708a-47f7-9cf5-05f64317d203" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_ea0a1e2c-708a-47f7-9cf5-05f64317d203_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_ea0a1e2c-708a-47f7-9cf5-05f64317d203" xlink:to="loc_srt_ConsolidatedEntitiesDomain_ea0a1e2c-708a-47f7-9cf5-05f64317d203_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_a23bc209-4528-4875-bf3c-8c290c994e4f" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_ea0a1e2c-708a-47f7-9cf5-05f64317d203" xlink:to="loc_srt_ConsolidatedEntitiesDomain_a23bc209-4528-4875-bf3c-8c290c994e4f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_b67105ed-cbb4-4b3f-a2f6-d1c54e4d5c5b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_a23bc209-4528-4875-bf3c-8c290c994e4f" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_b67105ed-cbb4-4b3f-a2f6-d1c54e4d5c5b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/TheCompanyandFinancialStatementPresentationScheduleofVariableInterestEntitiesDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#TheCompanyandFinancialStatementPresentationScheduleofVariableInterestEntitiesDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/TheCompanyandFinancialStatementPresentationScheduleofVariableInterestEntitiesDetails" xlink:type="extended" id="i20db90903d62420c972fd018fa4f1cd3_TheCompanyandFinancialStatementPresentationScheduleofVariableInterestEntitiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_a7427788-2c55-459d-a4db-ebef1011fc46" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_09a21ed5-ada7-4a4f-ba8f-3abd5b238df7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateInvestmentPropertyNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_a7427788-2c55-459d-a4db-ebef1011fc46" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyNet_09a21ed5-ada7-4a4f-ba8f-3abd5b238df7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_e9b40e98-2817-4229-98ce-7f3542c68533" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_a7427788-2c55-459d-a4db-ebef1011fc46" xlink:to="loc_us-gaap_Assets_e9b40e98-2817-4229-98ce-7f3542c68533" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayable_18db8899-cea9-41ce-b858-6669e8943450" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_a7427788-2c55-459d-a4db-ebef1011fc46" xlink:to="loc_us-gaap_NotesPayable_18db8899-cea9-41ce-b858-6669e8943450" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_4743b307-9d09-446d-9e41-0f2736537796" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_a7427788-2c55-459d-a4db-ebef1011fc46" xlink:to="loc_us-gaap_Liabilities_4743b307-9d09-446d-9e41-0f2736537796" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_3e23b56b-3ac5-49a2-9696-a17faf25a689" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_a7427788-2c55-459d-a4db-ebef1011fc46" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_3e23b56b-3ac5-49a2-9696-a17faf25a689" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_35354ef4-76f0-4266-a10e-182367b5f292" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_3e23b56b-3ac5-49a2-9696-a17faf25a689" xlink:to="loc_srt_ConsolidatedEntitiesAxis_35354ef4-76f0-4266-a10e-182367b5f292" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_35354ef4-76f0-4266-a10e-182367b5f292_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_35354ef4-76f0-4266-a10e-182367b5f292" xlink:to="loc_srt_ConsolidatedEntitiesDomain_35354ef4-76f0-4266-a10e-182367b5f292_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_acdac6a1-b6e2-4018-9512-d36bb48da3b5" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_35354ef4-76f0-4266-a10e-182367b5f292" xlink:to="loc_srt_ConsolidatedEntitiesDomain_acdac6a1-b6e2-4018-9512-d36bb48da3b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_2b6b6f7a-762d-4c59-ad42-38c4be0bdc89" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_acdac6a1-b6e2-4018-9512-d36bb48da3b5" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_2b6b6f7a-762d-4c59-ad42-38c4be0bdc89" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/InvestmentsinRealEstateScheduleofRealEstateAcquisitionsDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#InvestmentsinRealEstateScheduleofRealEstateAcquisitionsDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/InvestmentsinRealEstateScheduleofRealEstateAcquisitionsDetails" xlink:type="extended" id="ic1e6ca6ebb604c1faf725693504ff857_InvestmentsinRealEstateScheduleofRealEstateAcquisitionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateLineItems_a9eaefa7-6fa6-4d7d-8f43-02c9c7c51a4f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_a6901d5e-88e5-47e0-9769-5d244f2c21e8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_a9eaefa7-6fa6-4d7d-8f43-02c9c7c51a4f" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_a6901d5e-88e5-47e0-9769-5d244f2c21e8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Land_fda4e740-5daf-4a45-a8ee-b3f6785d93f2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Land"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_a9eaefa7-6fa6-4d7d-8f43-02c9c7c51a4f" xlink:to="loc_us-gaap_Land_fda4e740-5daf-4a45-a8ee-b3f6785d93f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_InvestmentBuildingAndBuildingImprovementsAcquiredDuringPeriod_e6aa9f97-13f3-42a9-81e6-2fe162ea2d59" xlink:href="lxp-20210630.xsd#lxp_InvestmentBuildingAndBuildingImprovementsAcquiredDuringPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_a9eaefa7-6fa6-4d7d-8f43-02c9c7c51a4f" xlink:to="loc_lxp_InvestmentBuildingAndBuildingImprovementsAcquiredDuringPeriod_e6aa9f97-13f3-42a9-81e6-2fe162ea2d59" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetAcquiredInPlaceLeases_21cf060a-2d4b-465c-813e-5ef995ef722f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetAcquiredInPlaceLeases"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_a9eaefa7-6fa6-4d7d-8f43-02c9c7c51a4f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetAcquiredInPlaceLeases_21cf060a-2d4b-465c-813e-5ef995ef722f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_FiniteLivedIntangibleAssetsAboveBelowMarketLeasesAcquired_49f95910-9e78-48d8-9f75-9de0a220fd0e" xlink:href="lxp-20210630.xsd#lxp_FiniteLivedIntangibleAssetsAboveBelowMarketLeasesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_a9eaefa7-6fa6-4d7d-8f43-02c9c7c51a4f" xlink:to="loc_lxp_FiniteLivedIntangibleAssetsAboveBelowMarketLeasesAcquired_49f95910-9e78-48d8-9f75-9de0a220fd0e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireRealEstate_3af2f250-43e6-436f-9f19-8d8749fa7daa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireRealEstate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_a9eaefa7-6fa6-4d7d-8f43-02c9c7c51a4f" xlink:to="loc_us-gaap_PaymentsToAcquireRealEstate_3af2f250-43e6-436f-9f19-8d8749fa7daa" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateTable_190b1df8-f97e-4e95-ab60-925bd33428e5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstateLineItems_a9eaefa7-6fa6-4d7d-8f43-02c9c7c51a4f" xlink:to="loc_us-gaap_RealEstateTable_190b1df8-f97e-4e95-ab60-925bd33428e5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_4d49a950-7a50-44f5-85f5-496d8fe5f441" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_190b1df8-f97e-4e95-ab60-925bd33428e5" xlink:to="loc_srt_StatementGeographicalAxis_4d49a950-7a50-44f5-85f5-496d8fe5f441" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_4d49a950-7a50-44f5-85f5-496d8fe5f441_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_4d49a950-7a50-44f5-85f5-496d8fe5f441" xlink:to="loc_srt_SegmentGeographicalDomain_4d49a950-7a50-44f5-85f5-496d8fe5f441_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_10b27e7d-065f-4a5b-acdd-978ff747dccb" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_4d49a950-7a50-44f5-85f5-496d8fe5f441" xlink:to="loc_srt_SegmentGeographicalDomain_10b27e7d-065f-4a5b-acdd-978ff747dccb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_IndianapolisIndianaMember_94b6824e-04f7-4d4c-9f6f-af7d6859c184" xlink:href="lxp-20210630.xsd#lxp_IndianapolisIndianaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_10b27e7d-065f-4a5b-acdd-978ff747dccb" xlink:to="loc_lxp_IndianapolisIndianaMember_94b6824e-04f7-4d4c-9f6f-af7d6859c184" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_CentralFloridaMember_9fc9d89e-a8c4-4cbf-899c-78cd45f19783" xlink:href="lxp-20210630.xsd#lxp_CentralFloridaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_10b27e7d-065f-4a5b-acdd-978ff747dccb" xlink:to="loc_lxp_CentralFloridaMember_9fc9d89e-a8c4-4cbf-899c-78cd45f19783" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_ColumbusOhioMember_d06da7bd-ed4d-429c-ae8d-ee2b2372133d" xlink:href="lxp-20210630.xsd#lxp_ColumbusOhioMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_10b27e7d-065f-4a5b-acdd-978ff747dccb" xlink:to="loc_lxp_ColumbusOhioMember_d06da7bd-ed4d-429c-ae8d-ee2b2372133d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_HoustonTexasMember_4e283713-3669-4cc8-a29f-f317a8c88217" xlink:href="lxp-20210630.xsd#lxp_HoustonTexasMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_10b27e7d-065f-4a5b-acdd-978ff747dccb" xlink:to="loc_lxp_HoustonTexasMember_4e283713-3669-4cc8-a29f-f317a8c88217" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_CincinnatiDaytonOHMember_26368091-036c-43b1-b8ea-0b2d79cb979f" xlink:href="lxp-20210630.xsd#lxp_CincinnatiDaytonOHMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_10b27e7d-065f-4a5b-acdd-978ff747dccb" xlink:to="loc_lxp_CincinnatiDaytonOHMember_26368091-036c-43b1-b8ea-0b2d79cb979f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_CentralFloridaMember_53ea6a36-b6fe-482a-81b1-8f3c52738e01" xlink:href="lxp-20210630.xsd#lxp_CentralFloridaMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_GreenvilleSpartanburgSouthCarolinaMember_1fd67068-4daf-4cc6-8a88-cd3e6000abd7" xlink:href="lxp-20210630.xsd#lxp_GreenvilleSpartanburgSouthCarolinaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_10b27e7d-065f-4a5b-acdd-978ff747dccb" xlink:to="loc_lxp_GreenvilleSpartanburgSouthCarolinaMember_1fd67068-4daf-4cc6-8a88-cd3e6000abd7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_HebronOHMember_3fb62386-9a7f-47dc-ae5a-82ab703edc88" xlink:href="lxp-20210630.xsd#lxp_HebronOHMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_10b27e7d-065f-4a5b-acdd-978ff747dccb" xlink:to="loc_lxp_HebronOHMember_3fb62386-9a7f-47dc-ae5a-82ab703edc88" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_f6f5f410-5361-413a-a988-1c1724a59da8" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_190b1df8-f97e-4e95-ab60-925bd33428e5" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_f6f5f410-5361-413a-a988-1c1724a59da8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_f6f5f410-5361-413a-a988-1c1724a59da8_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_f6f5f410-5361-413a-a988-1c1724a59da8" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_f6f5f410-5361-413a-a988-1c1724a59da8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_2a979d3e-34e5-4919-8629-5e83dac856d2" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_f6f5f410-5361-413a-a988-1c1724a59da8" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_2a979d3e-34e5-4919-8629-5e83dac856d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_IndustrialPropertyMember_a345d279-b787-47ae-af98-ed0624d04136" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_IndustrialPropertyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_2a979d3e-34e5-4919-8629-5e83dac856d2" xlink:to="loc_srt_IndustrialPropertyMember_a345d279-b787-47ae-af98-ed0624d04136" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_54bbb14a-ff6b-4c3e-bebb-e92fb08ce4f6" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_190b1df8-f97e-4e95-ab60-925bd33428e5" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_54bbb14a-ff6b-4c3e-bebb-e92fb08ce4f6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_54bbb14a-ff6b-4c3e-bebb-e92fb08ce4f6_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_54bbb14a-ff6b-4c3e-bebb-e92fb08ce4f6" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_54bbb14a-ff6b-4c3e-bebb-e92fb08ce4f6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_54bbb14a-ff6b-4c3e-bebb-e92fb08ce4f6" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_IndianapolisINIndustrialPropertyExpiringDec2024Member_c8798094-773a-4078-ba67-e85aa3d22aea" xlink:href="lxp-20210630.xsd#lxp_IndianapolisINIndustrialPropertyExpiringDec2024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:to="loc_lxp_IndianapolisINIndustrialPropertyExpiringDec2024Member_c8798094-773a-4078-ba67-e85aa3d22aea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_IndianapolisINIndustrialPropertyExpiringAug2025Member_7e40376b-96d3-4a55-9990-0cdd8f4cf5c0" xlink:href="lxp-20210630.xsd#lxp_IndianapolisINIndustrialPropertyExpiringAug2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:to="loc_lxp_IndianapolisINIndustrialPropertyExpiringAug2025Member_7e40376b-96d3-4a55-9990-0cdd8f4cf5c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_CentralFloridaIndustrialPropertyExpiring2031Member_de1e37ba-6145-43e2-8712-d96c74911e72" xlink:href="lxp-20210630.xsd#lxp_CentralFloridaIndustrialPropertyExpiring2031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:to="loc_lxp_CentralFloridaIndustrialPropertyExpiring2031Member_de1e37ba-6145-43e2-8712-d96c74911e72" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_ColumbusOhioIndustrialPropertyExpiring2024Member_4ac28ad0-0073-4e73-85c2-fb9fa76aa23e" xlink:href="lxp-20210630.xsd#lxp_ColumbusOhioIndustrialPropertyExpiring2024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:to="loc_lxp_ColumbusOhioIndustrialPropertyExpiring2024Member_4ac28ad0-0073-4e73-85c2-fb9fa76aa23e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_HoustonTXIndustrialPropertyExpiringAug2028Member_ac8642e4-a624-4d78-8e89-bcac809ca7b1" xlink:href="lxp-20210630.xsd#lxp_HoustonTXIndustrialPropertyExpiringAug2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:to="loc_lxp_HoustonTXIndustrialPropertyExpiringAug2028Member_ac8642e4-a624-4d78-8e89-bcac809ca7b1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_HoustonTXIndustrialPropertyExpiringDec2026Member_8ba58942-534d-4215-8996-1729949756cc" xlink:href="lxp-20210630.xsd#lxp_HoustonTXIndustrialPropertyExpiringDec2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:to="loc_lxp_HoustonTXIndustrialPropertyExpiringDec2026Member_8ba58942-534d-4215-8996-1729949756cc" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_HoustonTXIndustrialPropertyExpiringAug2024Member_ebb0389a-4025-4384-8d11-87ddc684239f" xlink:href="lxp-20210630.xsd#lxp_HoustonTXIndustrialPropertyExpiringAug2024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:to="loc_lxp_HoustonTXIndustrialPropertyExpiringAug2024Member_ebb0389a-4025-4384-8d11-87ddc684239f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_CincinnatiDaytonOHIndustrialPropertyExpiringJune2023Member_f594bbf5-bc40-42ef-8cb5-07f646be35f2" xlink:href="lxp-20210630.xsd#lxp_CincinnatiDaytonOHIndustrialPropertyExpiringJune2023Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:to="loc_lxp_CincinnatiDaytonOHIndustrialPropertyExpiringJune2023Member_f594bbf5-bc40-42ef-8cb5-07f646be35f2" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_CentralFloridaIndustrialPropertyLeaseExpirationDateNotAvailableMember_5037b547-a571-4451-b8b7-6b9aca509fde" xlink:href="lxp-20210630.xsd#lxp_CentralFloridaIndustrialPropertyLeaseExpirationDateNotAvailableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:to="loc_lxp_CentralFloridaIndustrialPropertyLeaseExpirationDateNotAvailableMember_5037b547-a571-4451-b8b7-6b9aca509fde" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_GreenvilleSpartanburgSCIndustrialPropertyExpiringSept2025Member_60470050-1e1d-424f-ae98-0963f4c5b794" xlink:href="lxp-20210630.xsd#lxp_GreenvilleSpartanburgSCIndustrialPropertyExpiringSept2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:to="loc_lxp_GreenvilleSpartanburgSCIndustrialPropertyExpiringSept2025Member_60470050-1e1d-424f-ae98-0963f4c5b794" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_GreenvilleSpartanburgSCIndustrialPropertyExpiringJune2026Member_d3acbe52-982a-48e1-8075-9ffba73fe276" xlink:href="lxp-20210630.xsd#lxp_GreenvilleSpartanburgSCIndustrialPropertyExpiringJune2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bcfacf63-49f9-4f1e-9269-00f492b89d12" xlink:to="loc_lxp_GreenvilleSpartanburgSCIndustrialPropertyExpiringJune2026Member_d3acbe52-982a-48e1-8075-9ffba73fe276" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/InvestmentsinRealEstateNarrativeDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#InvestmentsinRealEstateNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/InvestmentsinRealEstateNarrativeDetails" xlink:type="extended" id="ieb6d3a03af614bed9ffab61d8f26f127_InvestmentsinRealEstateNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateLineItems_23c38549-76a6-4c4a-9413-cb3e2dbd2488" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityOwnershipPercentage_02d0dd37-5667-4d3a-befa-6a7d5ea0c408" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_23c38549-76a6-4c4a-9413-cb3e2dbd2488" xlink:to="loc_us-gaap_VariableInterestEntityOwnershipPercentage_02d0dd37-5667-4d3a-befa-6a7d5ea0c408" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AreaOfLand_76122625-2041-4842-af42-47c2c00543b9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AreaOfLand"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_23c38549-76a6-4c4a-9413-cb3e2dbd2488" xlink:to="loc_us-gaap_AreaOfLand_76122625-2041-4842-af42-47c2c00543b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_c8797792-13d6-42ec-a981-53041a97b98a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AreaOfRealEstateProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_23c38549-76a6-4c4a-9413-cb3e2dbd2488" xlink:to="loc_us-gaap_AreaOfRealEstateProperty_c8797792-13d6-42ec-a981-53041a97b98a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NumberOfRealEstateDevelopmentProjectsUnderConstruction_ea23ed75-8ebb-4a15-88bb-edf8b2e9a3c2" xlink:href="lxp-20210630.xsd#lxp_NumberOfRealEstateDevelopmentProjectsUnderConstruction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_23c38549-76a6-4c4a-9413-cb3e2dbd2488" xlink:to="loc_lxp_NumberOfRealEstateDevelopmentProjectsUnderConstruction_ea23ed75-8ebb-4a15-88bb-edf8b2e9a3c2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NumberOfBuildToSuitRealEstateDevelopmentProjectsUnderConstruction_d4297ad7-7afc-4572-9253-f073894e77ad" xlink:href="lxp-20210630.xsd#lxp_NumberOfBuildToSuitRealEstateDevelopmentProjectsUnderConstruction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_23c38549-76a6-4c4a-9413-cb3e2dbd2488" xlink:to="loc_lxp_NumberOfBuildToSuitRealEstateDevelopmentProjectsUnderConstruction_d4297ad7-7afc-4572-9253-f073894e77ad" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressGross_b83eb681-b665-4007-a67d-fe98b88d74c6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConstructionInProgressGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_23c38549-76a6-4c4a-9413-cb3e2dbd2488" xlink:to="loc_us-gaap_ConstructionInProgressGross_b83eb681-b665-4007-a67d-fe98b88d74c6" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_ConstructionInProgressCapitalizedInterest_7494f9ef-0647-436e-84c4-58f5d441e35b" xlink:href="lxp-20210630.xsd#lxp_ConstructionInProgressCapitalizedInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_23c38549-76a6-4c4a-9413-cb3e2dbd2488" xlink:to="loc_lxp_ConstructionInProgressCapitalizedInterest_7494f9ef-0647-436e-84c4-58f5d441e35b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateTable_e35072d6-0a12-4cb2-905a-06d5c52cb1ac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstateLineItems_23c38549-76a6-4c4a-9413-cb3e2dbd2488" xlink:to="loc_us-gaap_RealEstateTable_e35072d6-0a12-4cb2-905a-06d5c52cb1ac" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_0f8d6056-5bbc-4831-846c-f3f629f9d95c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_e35072d6-0a12-4cb2-905a-06d5c52cb1ac" xlink:to="loc_srt_StatementGeographicalAxis_0f8d6056-5bbc-4831-846c-f3f629f9d95c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_0f8d6056-5bbc-4831-846c-f3f629f9d95c_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_0f8d6056-5bbc-4831-846c-f3f629f9d95c" xlink:to="loc_srt_SegmentGeographicalDomain_0f8d6056-5bbc-4831-846c-f3f629f9d95c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_eee9e553-50a8-4355-84ee-498b737517d0" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_0f8d6056-5bbc-4831-846c-f3f629f9d95c" xlink:to="loc_srt_SegmentGeographicalDomain_eee9e553-50a8-4355-84ee-498b737517d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_CentralFloridaMember_05c750f1-09e8-4bfd-a193-501f39c34a2a" xlink:href="lxp-20210630.xsd#lxp_CentralFloridaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_eee9e553-50a8-4355-84ee-498b737517d0" xlink:to="loc_lxp_CentralFloridaMember_05c750f1-09e8-4bfd-a193-501f39c34a2a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_IndianapolisIndianaMember_dfa4ca74-d5d9-4ef5-9a49-bbef4ab9986c" xlink:href="lxp-20210630.xsd#lxp_IndianapolisIndianaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_eee9e553-50a8-4355-84ee-498b737517d0" xlink:to="loc_lxp_IndianapolisIndianaMember_dfa4ca74-d5d9-4ef5-9a49-bbef4ab9986c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_7cafa768-784c-4a0e-8d05-d6e419ded6dc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_e35072d6-0a12-4cb2-905a-06d5c52cb1ac" xlink:to="loc_us-gaap_InvestmentTypeAxis_7cafa768-784c-4a0e-8d05-d6e419ded6dc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_7cafa768-784c-4a0e-8d05-d6e419ded6dc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_7cafa768-784c-4a0e-8d05-d6e419ded6dc" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_7cafa768-784c-4a0e-8d05-d6e419ded6dc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_5d625aa0-4b21-477c-a389-2744f4535b9a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_7cafa768-784c-4a0e-8d05-d6e419ded6dc" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_5d625aa0-4b21-477c-a389-2744f4535b9a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentMember_d8baea18-93c0-4bb0-a23f-22ea27eda0ec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateInvestmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_5d625aa0-4b21-477c-a389-2744f4535b9a" xlink:to="loc_us-gaap_RealEstateInvestmentMember_d8baea18-93c0-4bb0-a23f-22ea27eda0ec" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/InvestmentsinRealEstateScheduleofRealEstatePropertiesDevelopmentDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#InvestmentsinRealEstateScheduleofRealEstatePropertiesDevelopmentDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/InvestmentsinRealEstateScheduleofRealEstatePropertiesDevelopmentDetails" xlink:type="extended" id="id07f9d7672644c599875fb2267f97269_InvestmentsinRealEstateScheduleofRealEstatePropertiesDevelopmentDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateLineItems_0f915d1a-d396-49a3-b03a-5ab865641adf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityOwnershipPercentage_4404c6c1-2d60-4b1a-a260-675e4f4f3680" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_0f915d1a-d396-49a3-b03a-5ab865641adf" xlink:to="loc_us-gaap_VariableInterestEntityOwnershipPercentage_4404c6c1-2d60-4b1a-a260-675e4f4f3680" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_RealEstateUnderConstructionProjectOwnershipPercentage_5ddb9c03-ee26-4465-89de-4db99a6677fa" xlink:href="lxp-20210630.xsd#lxp_RealEstateUnderConstructionProjectOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_0f915d1a-d396-49a3-b03a-5ab865641adf" xlink:to="loc_lxp_RealEstateUnderConstructionProjectOwnershipPercentage_5ddb9c03-ee26-4465-89de-4db99a6677fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_7b6715f3-6090-4ca9-b55b-07c8e3eb5a0c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AreaOfRealEstateProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_0f915d1a-d396-49a3-b03a-5ab865641adf" xlink:to="loc_us-gaap_AreaOfRealEstateProperty_7b6715f3-6090-4ca9-b55b-07c8e3eb5a0c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAtCost_de873940-9c90-463a-a552-e158f6ad7433" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAtCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_0f915d1a-d396-49a3-b03a-5ab865641adf" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyAtCost_de873940-9c90-463a-a552-e158f6ad7433" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressGross_b9d04a99-5f19-4099-bee4-61d8f551ace9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConstructionInProgressGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_0f915d1a-d396-49a3-b03a-5ab865641adf" xlink:to="loc_us-gaap_ConstructionInProgressGross_b9d04a99-5f19-4099-bee4-61d8f551ace9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_RealEstateInvestmentPropertyAmountFunded_2428a653-0b3e-4cb3-92c5-97a1c06d80af" xlink:href="lxp-20210630.xsd#lxp_RealEstateInvestmentPropertyAmountFunded"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_0f915d1a-d396-49a3-b03a-5ab865641adf" xlink:to="loc_lxp_RealEstateInvestmentPropertyAmountFunded_2428a653-0b3e-4cb3-92c5-97a1c06d80af" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_RealEstateUnderConstructionPercentLeased_42a36fce-c69b-4ed1-904d-bc1e6db04463" xlink:href="lxp-20210630.xsd#lxp_RealEstateUnderConstructionPercentLeased"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_0f915d1a-d396-49a3-b03a-5ab865641adf" xlink:to="loc_lxp_RealEstateUnderConstructionPercentLeased_42a36fce-c69b-4ed1-904d-bc1e6db04463" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_RealEstateInvestmentPropertyLeaseTerm_ce0caeb5-ef62-4e99-bb52-db10c3fcc8d7" xlink:href="lxp-20210630.xsd#lxp_RealEstateInvestmentPropertyLeaseTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_0f915d1a-d396-49a3-b03a-5ab865641adf" xlink:to="loc_lxp_RealEstateInvestmentPropertyLeaseTerm_ce0caeb5-ef62-4e99-bb52-db10c3fcc8d7" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateTable_3938ca3c-fb4c-475b-9809-673456b44183" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstateLineItems_0f915d1a-d396-49a3-b03a-5ab865641adf" xlink:to="loc_us-gaap_RealEstateTable_3938ca3c-fb4c-475b-9809-673456b44183" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_17e60ba3-08cd-4745-85d0-9884436ea089" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_3938ca3c-fb4c-475b-9809-673456b44183" xlink:to="loc_srt_StatementGeographicalAxis_17e60ba3-08cd-4745-85d0-9884436ea089" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_17e60ba3-08cd-4745-85d0-9884436ea089_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_17e60ba3-08cd-4745-85d0-9884436ea089" xlink:to="loc_srt_SegmentGeographicalDomain_17e60ba3-08cd-4745-85d0-9884436ea089_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_abfdeb12-629c-4dc5-84a5-e993a2439a03" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_17e60ba3-08cd-4745-85d0-9884436ea089" xlink:to="loc_srt_SegmentGeographicalDomain_abfdeb12-629c-4dc5-84a5-e993a2439a03" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_AtlantaGeorgiaMember_3b3a2b0d-f6ae-41c7-89bc-48f99baa9dcd" xlink:href="lxp-20210630.xsd#lxp_AtlantaGeorgiaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_abfdeb12-629c-4dc5-84a5-e993a2439a03" xlink:to="loc_lxp_AtlantaGeorgiaMember_3b3a2b0d-f6ae-41c7-89bc-48f99baa9dcd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_PhoenixArizonaMember_09d2d8cc-cbaf-4a86-ad13-a5ac301627f4" xlink:href="lxp-20210630.xsd#lxp_PhoenixArizonaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_abfdeb12-629c-4dc5-84a5-e993a2439a03" xlink:to="loc_lxp_PhoenixArizonaMember_09d2d8cc-cbaf-4a86-ad13-a5ac301627f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_CentralFloridaMember_0b4753f6-b42d-4af1-8a93-ff25a978c22c" xlink:href="lxp-20210630.xsd#lxp_CentralFloridaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_abfdeb12-629c-4dc5-84a5-e993a2439a03" xlink:to="loc_lxp_CentralFloridaMember_0b4753f6-b42d-4af1-8a93-ff25a978c22c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_IndianapolisIndianaMember_2ef00d90-5a79-4faa-a9c2-c5a08333899a" xlink:href="lxp-20210630.xsd#lxp_IndianapolisIndianaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_abfdeb12-629c-4dc5-84a5-e993a2439a03" xlink:to="loc_lxp_IndianapolisIndianaMember_2ef00d90-5a79-4faa-a9c2-c5a08333899a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_PhoenixArizonaMember_32c40e14-bf9f-4269-a05b-03929f1be9b6" xlink:href="lxp-20210630.xsd#lxp_PhoenixArizonaMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_2bd13d75-a252-4246-b915-e8e886298fd3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_3938ca3c-fb4c-475b-9809-673456b44183" xlink:to="loc_us-gaap_InvestmentTypeAxis_2bd13d75-a252-4246-b915-e8e886298fd3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_2bd13d75-a252-4246-b915-e8e886298fd3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_2bd13d75-a252-4246-b915-e8e886298fd3" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_2bd13d75-a252-4246-b915-e8e886298fd3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_b44cf76d-9bc8-4a98-8cca-7f39ee421608" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_2bd13d75-a252-4246-b915-e8e886298fd3" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_b44cf76d-9bc8-4a98-8cca-7f39ee421608" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentMember_087493e7-3eb4-4fe8-ac3b-9e1323d667c2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateInvestmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_b44cf76d-9bc8-4a98-8cca-7f39ee421608" xlink:to="loc_us-gaap_RealEstateInvestmentMember_087493e7-3eb4-4fe8-ac3b-9e1323d667c2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_da5a4067-2041-419f-b792-f893744a2cdb" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_3938ca3c-fb4c-475b-9809-673456b44183" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_da5a4067-2041-419f-b792-f893744a2cdb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_da5a4067-2041-419f-b792-f893744a2cdb_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_da5a4067-2041-419f-b792-f893744a2cdb" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_da5a4067-2041-419f-b792-f893744a2cdb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_8f1763e7-a047-4d52-86f2-6ba8172ec7d6" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_da5a4067-2041-419f-b792-f893744a2cdb" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_8f1763e7-a047-4d52-86f2-6ba8172ec7d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_FairburnMember_7e2f8c11-367a-4421-89d0-fe47e24abd9b" xlink:href="lxp-20210630.xsd#lxp_FairburnMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_8f1763e7-a047-4d52-86f2-6ba8172ec7d6" xlink:to="loc_lxp_FairburnMember_7e2f8c11-367a-4421-89d0-fe47e24abd9b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_KeHEDistributorsBTSMember_d05137e4-41da-4ed6-a3a2-33df356994bc" xlink:href="lxp-20210630.xsd#lxp_KeHEDistributorsBTSMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_8f1763e7-a047-4d52-86f2-6ba8172ec7d6" xlink:to="loc_lxp_KeHEDistributorsBTSMember_d05137e4-41da-4ed6-a3a2-33df356994bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_OcalaMember_f8be2828-c3e0-4a81-872c-0477b796ab70" xlink:href="lxp-20210630.xsd#lxp_OcalaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_8f1763e7-a047-4d52-86f2-6ba8172ec7d6" xlink:to="loc_lxp_OcalaMember_f8be2828-c3e0-4a81-872c-0477b796ab70" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_MtComfortMember_d3a7bbda-8b31-4250-8294-00696a1dbb06" xlink:href="lxp-20210630.xsd#lxp_MtComfortMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_8f1763e7-a047-4d52-86f2-6ba8172ec7d6" xlink:to="loc_lxp_MtComfortMember_d3a7bbda-8b31-4250-8294-00696a1dbb06" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/DispositionsandImpairmentAdditionalInformationDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#DispositionsandImpairmentAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/DispositionsandImpairmentAdditionalInformationDetails" xlink:type="extended" id="i7256df6015494604acf902023ff712ea_DispositionsandImpairmentAdditionalInformationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d92651f4-91a6-4b2c-bf24-b39df8dffe13" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_c1f74416-5d60-4fe8-a5d1-1d1ed4dd5bbb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyHeldForSale"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d92651f4-91a6-4b2c-bf24-b39df8dffe13" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_c1f74416-5d60-4fe8-a5d1-1d1ed4dd5bbb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_304731d7-d10d-4c83-a6d8-6d0bf3823dca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnSaleOfProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d92651f4-91a6-4b2c-bf24-b39df8dffe13" xlink:to="loc_us-gaap_GainLossOnSaleOfProperties_304731d7-d10d-4c83-a6d8-6d0bf3823dca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_f0d979f1-8661-454a-9b57-25449ccae49a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d92651f4-91a6-4b2c-bf24-b39df8dffe13" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_f0d979f1-8661-454a-9b57-25449ccae49a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExtinguishmentOfDebtGainLossNetOfTax_9c143d8c-f750-4dc4-a2cb-3d110d1eeda8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ExtinguishmentOfDebtGainLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d92651f4-91a6-4b2c-bf24-b39df8dffe13" xlink:to="loc_us-gaap_ExtinguishmentOfDebtGainLossNetOfTax_9c143d8c-f750-4dc4-a2cb-3d110d1eeda8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NumberofRealEstatePropertiesHeldForSale_52f526fb-3697-4ab4-aec9-0f4bffb2dc41" xlink:href="lxp-20210630.xsd#lxp_NumberofRealEstatePropertiesHeldForSale"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d92651f4-91a6-4b2c-bf24-b39df8dffe13" xlink:to="loc_lxp_NumberofRealEstatePropertiesHeldForSale_52f526fb-3697-4ab4-aec9-0f4bffb2dc41" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NumberOfImpairmentCharges_150e5468-bb0c-47cb-a743-331b98fe469c" xlink:href="lxp-20210630.xsd#lxp_NumberOfImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d92651f4-91a6-4b2c-bf24-b39df8dffe13" xlink:to="loc_lxp_NumberOfImpairmentCharges_150e5468-bb0c-47cb-a743-331b98fe469c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_8449fe39-08fe-497f-85dc-67453dbc5406" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d92651f4-91a6-4b2c-bf24-b39df8dffe13" xlink:to="loc_us-gaap_AssetImpairmentCharges_8449fe39-08fe-497f-85dc-67453dbc5406" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_56ee60cb-7718-4d4d-812f-74096f93bc72" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d92651f4-91a6-4b2c-bf24-b39df8dffe13" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_56ee60cb-7718-4d4d-812f-74096f93bc72" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesAxis_f3ee1ed7-b1d7-47bf-9535-313359e7d7a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstatePropertiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_56ee60cb-7718-4d4d-812f-74096f93bc72" xlink:to="loc_us-gaap_RealEstatePropertiesAxis_f3ee1ed7-b1d7-47bf-9535-313359e7d7a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesDomain_f3ee1ed7-b1d7-47bf-9535-313359e7d7a5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstatePropertiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstatePropertiesAxis_f3ee1ed7-b1d7-47bf-9535-313359e7d7a5" xlink:to="loc_us-gaap_RealEstatePropertiesDomain_f3ee1ed7-b1d7-47bf-9535-313359e7d7a5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesDomain_81cc1ab2-db26-41c8-8c8e-29505ee4005d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstatePropertiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstatePropertiesAxis_f3ee1ed7-b1d7-47bf-9535-313359e7d7a5" xlink:to="loc_us-gaap_RealEstatePropertiesDomain_81cc1ab2-db26-41c8-8c8e-29505ee4005d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_TransferredPropertyMember_672d380c-6f91-482a-8f72-d241eb8d4769" xlink:href="lxp-20210630.xsd#lxp_TransferredPropertyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesDomain_81cc1ab2-db26-41c8-8c8e-29505ee4005d" xlink:to="loc_lxp_TransferredPropertyMember_672d380c-6f91-482a-8f72-d241eb8d4769" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_SoldPropertiesMember_9fb82822-e28c-4e8f-9e84-c4359337ebc5" xlink:href="lxp-20210630.xsd#lxp_SoldPropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesDomain_81cc1ab2-db26-41c8-8c8e-29505ee4005d" xlink:to="loc_lxp_SoldPropertiesMember_9fb82822-e28c-4e8f-9e84-c4359337ebc5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_7f601aac-a98c-4e3f-a7a9-129f78635d17" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_56ee60cb-7718-4d4d-812f-74096f93bc72" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_7f601aac-a98c-4e3f-a7a9-129f78635d17" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_7f601aac-a98c-4e3f-a7a9-129f78635d17_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_7f601aac-a98c-4e3f-a7a9-129f78635d17" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_7f601aac-a98c-4e3f-a7a9-129f78635d17_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_ba89d852-12f2-445c-a182-ed92dc18e67a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_7f601aac-a98c-4e3f-a7a9-129f78635d17" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_ba89d852-12f2-445c-a182-ed92dc18e67a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OfficeBuildingMember_53b1c795-fe8c-4854-a748-318bf0c24fb1" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OfficeBuildingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_ba89d852-12f2-445c-a182-ed92dc18e67a" xlink:to="loc_srt_OfficeBuildingMember_53b1c795-fe8c-4854-a748-318bf0c24fb1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_1dd45113-0507-4156-bcd5-495cb30ba9ac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_56ee60cb-7718-4d4d-812f-74096f93bc72" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_1dd45113-0507-4156-bcd5-495cb30ba9ac" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_1dd45113-0507-4156-bcd5-495cb30ba9ac_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_1dd45113-0507-4156-bcd5-495cb30ba9ac" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_1dd45113-0507-4156-bcd5-495cb30ba9ac_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_affae0df-7de7-4997-a638-3acc4b93ae90" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_1dd45113-0507-4156-bcd5-495cb30ba9ac" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_affae0df-7de7-4997-a638-3acc4b93ae90" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_PropertiesInCharlestonSCMember_cacb1568-ac6f-4510-a875-b2dc6db74989" xlink:href="lxp-20210630.xsd#lxp_PropertiesInCharlestonSCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_affae0df-7de7-4997-a638-3acc4b93ae90" xlink:to="loc_lxp_PropertiesInCharlestonSCMember_cacb1568-ac6f-4510-a875-b2dc6db74989" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_46159248-ea3d-4915-90fe-0194b21bf0e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_56ee60cb-7718-4d4d-812f-74096f93bc72" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_46159248-ea3d-4915-90fe-0194b21bf0e2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_46159248-ea3d-4915-90fe-0194b21bf0e2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_46159248-ea3d-4915-90fe-0194b21bf0e2" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_46159248-ea3d-4915-90fe-0194b21bf0e2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_6fa3430d-c09e-4d8f-9589-835af6556c69" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_46159248-ea3d-4915-90fe-0194b21bf0e2" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_6fa3430d-c09e-4d8f-9589-835af6556c69" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_87a38f8d-eee3-4648-a15f-917fffafe2bb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_6fa3430d-c09e-4d8f-9589-835af6556c69" xlink:to="loc_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_87a38f8d-eee3-4648-a15f-917fffafe2bb" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/DispositionsandImpairmentScheduleofPropertiesHeldforSaleDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#DispositionsandImpairmentScheduleofPropertiesHeldforSaleDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/DispositionsandImpairmentScheduleofPropertiesHeldforSaleDetails" xlink:type="extended" id="i59a3fc17bb024b989a9b4e7cc50afb20_DispositionsandImpairmentScheduleofPropertiesHeldforSaleDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_fa88da98-685a-4bbc-95b9-aa8523d38e9d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_30bcba54-4064-4747-956d-50a87be071fa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_fa88da98-685a-4bbc-95b9-aa8523d38e9d" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_30bcba54-4064-4747-956d-50a87be071fa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_DisposalGroupIncludingDiscontinuedOperationRealEstateAtCost_a9f5a9ef-8afe-4418-8c8d-b3f203cdc9f3" xlink:href="lxp-20210630.xsd#lxp_DisposalGroupIncludingDiscontinuedOperationRealEstateAtCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_30bcba54-4064-4747-956d-50a87be071fa" xlink:to="loc_lxp_DisposalGroupIncludingDiscontinuedOperationRealEstateAtCost_a9f5a9ef-8afe-4418-8c8d-b3f203cdc9f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_56779dc8-8fa5-4b4b-9f9d-17d5e2154b92" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_30bcba54-4064-4747-956d-50a87be071fa" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_56779dc8-8fa5-4b4b-9f9d-17d5e2154b92" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_DisposalGroupIncludingDiscontinuedOperationAccumulatedDepreciationandAmortization_67b13f3c-b8e6-4d73-ada8-88eb04c21a6b" xlink:href="lxp-20210630.xsd#lxp_DisposalGroupIncludingDiscontinuedOperationAccumulatedDepreciationandAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_30bcba54-4064-4747-956d-50a87be071fa" xlink:to="loc_lxp_DisposalGroupIncludingDiscontinuedOperationAccumulatedDepreciationandAmortization_67b13f3c-b8e6-4d73-ada8-88eb04c21a6b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_DisposalGroupIncludingDiscontinuedOperationDeferredRentReceivable_0ad4e48d-9ab4-4dba-a596-52bf157b9e2d" xlink:href="lxp-20210630.xsd#lxp_DisposalGroupIncludingDiscontinuedOperationDeferredRentReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_30bcba54-4064-4747-956d-50a87be071fa" xlink:to="loc_lxp_DisposalGroupIncludingDiscontinuedOperationDeferredRentReceivable_0ad4e48d-9ab4-4dba-a596-52bf157b9e2d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_cd502f6a-3b6a-462e-a283-5b12288250c3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_30bcba54-4064-4747-956d-50a87be071fa" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_cd502f6a-3b6a-462e-a283-5b12288250c3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_7b52d750-1cc9-4e56-8d95-1646db4f4ece" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_30bcba54-4064-4747-956d-50a87be071fa" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_7b52d750-1cc9-4e56-8d95-1646db4f4ece" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_5288550d-bc55-4c31-80bf-79891506e74f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_fa88da98-685a-4bbc-95b9-aa8523d38e9d" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_5288550d-bc55-4c31-80bf-79891506e74f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities_77d32fa6-b580-4be2-9380-3ecb632bd29d" xlink:href="lxp-20210630.xsd#lxp_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_5288550d-bc55-4c31-80bf-79891506e74f" xlink:to="loc_lxp_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities_77d32fa6-b580-4be2-9380-3ecb632bd29d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_41a49b15-6b8c-4a27-ab09-1134c6e5abea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_fa88da98-685a-4bbc-95b9-aa8523d38e9d" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_41a49b15-6b8c-4a27-ab09-1134c6e5abea" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_ef34a2da-4e01-4d32-8180-b70c6c285d4a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_41a49b15-6b8c-4a27-ab09-1134c6e5abea" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_ef34a2da-4e01-4d32-8180-b70c6c285d4a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_ef34a2da-4e01-4d32-8180-b70c6c285d4a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_ef34a2da-4e01-4d32-8180-b70c6c285d4a" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_ef34a2da-4e01-4d32-8180-b70c6c285d4a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_46d2b390-d26d-45dd-b18b-09e17535c324" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_ef34a2da-4e01-4d32-8180-b70c6c285d4a" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_46d2b390-d26d-45dd-b18b-09e17535c324" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember_5ed9af09-08ab-4237-ac46-a77c61308a6f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_46d2b390-d26d-45dd-b18b-09e17535c324" xlink:to="loc_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember_5ed9af09-08ab-4237-ac46-a77c61308a6f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/FairValueMeasurementsScheduleFairValueMeasurementsInputsDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#FairValueMeasurementsScheduleFairValueMeasurementsInputsDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/FairValueMeasurementsScheduleFairValueMeasurementsInputsDetails" xlink:type="extended" id="i6efaac27800544b28ae57e8290dda08c_FairValueMeasurementsScheduleFairValueMeasurementsInputsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_8fceaf34-3ce4-427e-9fde-2e9d80223171" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_a5f0fc41-c8cd-4178-a900-86d3b8d10139" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestRateDerivativeLiabilitiesAtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_8fceaf34-3ce4-427e-9fde-2e9d80223171" xlink:to="loc_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_a5f0fc41-c8cd-4178-a900-86d3b8d10139" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_ImpairedRealEstateAssetsFairValueDisclosure_e61c980d-0a2d-4cd5-ba27-379e123035eb" xlink:href="lxp-20210630.xsd#lxp_ImpairedRealEstateAssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_8fceaf34-3ce4-427e-9fde-2e9d80223171" xlink:to="loc_lxp_ImpairedRealEstateAssetsFairValueDisclosure_e61c980d-0a2d-4cd5-ba27-379e123035eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_PropertyHeldForSaleMeasurementInput_8c823e8c-714f-45b2-aff7-86e9a3161502" xlink:href="lxp-20210630.xsd#lxp_PropertyHeldForSaleMeasurementInput"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_8fceaf34-3ce4-427e-9fde-2e9d80223171" xlink:to="loc_lxp_PropertyHeldForSaleMeasurementInput_8c823e8c-714f-45b2-aff7-86e9a3161502" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2773614e-c3e2-4515-8ef5-6dcc97f62e2f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_8fceaf34-3ce4-427e-9fde-2e9d80223171" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2773614e-c3e2-4515-8ef5-6dcc97f62e2f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_23824d2a-5e01-4f90-a387-7687804067de" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2773614e-c3e2-4515-8ef5-6dcc97f62e2f" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_23824d2a-5e01-4f90-a387-7687804067de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_23824d2a-5e01-4f90-a387-7687804067de_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_23824d2a-5e01-4f90-a387-7687804067de" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_23824d2a-5e01-4f90-a387-7687804067de_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_292ff5a9-299a-4012-9d83-d5d25b22769f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_23824d2a-5e01-4f90-a387-7687804067de" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_292ff5a9-299a-4012-9d83-d5d25b22769f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_3524584a-d33f-4b8c-9771-10a44f0a344d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_292ff5a9-299a-4012-9d83-d5d25b22769f" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_3524584a-d33f-4b8c-9771-10a44f0a344d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsNonrecurringMember_72239c23-0b95-48f6-88dd-49b02fd7f2fc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsNonrecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_292ff5a9-299a-4012-9d83-d5d25b22769f" xlink:to="loc_us-gaap_FairValueMeasurementsNonrecurringMember_72239c23-0b95-48f6-88dd-49b02fd7f2fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c5a8fabf-b6a2-4268-aa90-ed137349a1f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2773614e-c3e2-4515-8ef5-6dcc97f62e2f" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c5a8fabf-b6a2-4268-aa90-ed137349a1f1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c5a8fabf-b6a2-4268-aa90-ed137349a1f1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c5a8fabf-b6a2-4268-aa90-ed137349a1f1" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c5a8fabf-b6a2-4268-aa90-ed137349a1f1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_22f7cf6f-4807-4306-9f3f-2beec496b5e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c5a8fabf-b6a2-4268-aa90-ed137349a1f1" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_22f7cf6f-4807-4306-9f3f-2beec496b5e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_aab01a72-996f-422e-90c1-d26b0b92db73" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_22f7cf6f-4807-4306-9f3f-2beec496b5e6" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_aab01a72-996f-422e-90c1-d26b0b92db73" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_8aec9ab4-41c3-4071-84be-62ad3f71843d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_22f7cf6f-4807-4306-9f3f-2beec496b5e6" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_8aec9ab4-41c3-4071-84be-62ad3f71843d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_6c5d993b-afde-4ac9-b85b-e94fc1c2f304" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_22f7cf6f-4807-4306-9f3f-2beec496b5e6" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_6c5d993b-afde-4ac9-b85b-e94fc1c2f304" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_d47161c0-b049-47c3-97db-b3d71bcefb68" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2773614e-c3e2-4515-8ef5-6dcc97f62e2f" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_d47161c0-b049-47c3-97db-b3d71bcefb68" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_d47161c0-b049-47c3-97db-b3d71bcefb68_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_d47161c0-b049-47c3-97db-b3d71bcefb68" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_d47161c0-b049-47c3-97db-b3d71bcefb68_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_cfcbb8ea-bb0a-4ec1-9c68-075f924b4964" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_d47161c0-b049-47c3-97db-b3d71bcefb68" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_cfcbb8ea-bb0a-4ec1-9c68-075f924b4964" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputExpectedTermMember_b3494498-cb4c-43d6-9d1a-fdfbadb466c0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputExpectedTermMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_cfcbb8ea-bb0a-4ec1-9c68-075f924b4964" xlink:to="loc_us-gaap_MeasurementInputExpectedTermMember_b3494498-cb4c-43d6-9d1a-fdfbadb466c0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputDiscountRateMember_bdffed6e-0474-439a-a9f2-c2b266aefbcf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputDiscountRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_cfcbb8ea-bb0a-4ec1-9c68-075f924b4964" xlink:to="loc_us-gaap_MeasurementInputDiscountRateMember_bdffed6e-0474-439a-a9f2-c2b266aefbcf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputCapRateMember_0919fbd1-ce13-40d8-80d0-a9c99cf1c2df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputCapRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_cfcbb8ea-bb0a-4ec1-9c68-075f924b4964" xlink:to="loc_us-gaap_MeasurementInputCapRateMember_0919fbd1-ce13-40d8-80d0-a9c99cf1c2df" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_7866bd1f-8e33-4dae-8968-2202458c86b9" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2773614e-c3e2-4515-8ef5-6dcc97f62e2f" xlink:to="loc_srt_RangeAxis_7866bd1f-8e33-4dae-8968-2202458c86b9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_7866bd1f-8e33-4dae-8968-2202458c86b9_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_7866bd1f-8e33-4dae-8968-2202458c86b9" xlink:to="loc_srt_RangeMember_7866bd1f-8e33-4dae-8968-2202458c86b9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_a59b5734-e1e8-44bf-a312-a3013657c61c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_7866bd1f-8e33-4dae-8968-2202458c86b9" xlink:to="loc_srt_RangeMember_a59b5734-e1e8-44bf-a312-a3013657c61c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_5e7cc1c8-04a1-413c-8e2b-8e69a81a0ce7" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_a59b5734-e1e8-44bf-a312-a3013657c61c" xlink:to="loc_srt_MinimumMember_5e7cc1c8-04a1-413c-8e2b-8e69a81a0ce7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_c77db76b-fd3c-4e17-bd97-226bce480693" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_a59b5734-e1e8-44bf-a312-a3013657c61c" xlink:to="loc_srt_MaximumMember_c77db76b-fd3c-4e17-bd97-226bce480693" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/FairValueMeasurementsFairValuebyBalanceSheetGroupingDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#FairValueMeasurementsFairValuebyBalanceSheetGroupingDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/FairValueMeasurementsFairValuebyBalanceSheetGroupingDetails" xlink:type="extended" id="iefacff679cf34edd876de8a04beab111_FairValueMeasurementsFairValuebyBalanceSheetGroupingDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0913982c-5c86-4ae5-a6b9-c4f3e8393c50" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract_add57b31-9eca-4420-8621-89d523e1a063" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0913982c-5c86-4ae5-a6b9-c4f3e8393c50" xlink:to="loc_us-gaap_LiabilitiesAbstract_add57b31-9eca-4420-8621-89d523e1a063" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_ef4bbc74-fcd8-4370-bb4d-4365c1c8a173" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtLongtermAndShorttermCombinedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_add57b31-9eca-4420-8621-89d523e1a063" xlink:to="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_ef4bbc74-fcd8-4370-bb4d-4365c1c8a173" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_e05410d5-ab2a-4564-9b7e-ea9bca193a40" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_add57b31-9eca-4420-8621-89d523e1a063" xlink:to="loc_us-gaap_DebtInstrumentFairValue_e05410d5-ab2a-4564-9b7e-ea9bca193a40" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_34b93b99-43b9-4e1e-ba37-ed71a74c24b4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0913982c-5c86-4ae5-a6b9-c4f3e8393c50" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_34b93b99-43b9-4e1e-ba37-ed71a74c24b4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_e97c5b67-b38f-4dfe-955b-926c56ae20c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_34b93b99-43b9-4e1e-ba37-ed71a74c24b4" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_e97c5b67-b38f-4dfe-955b-926c56ae20c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_e97c5b67-b38f-4dfe-955b-926c56ae20c7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_e97c5b67-b38f-4dfe-955b-926c56ae20c7" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_e97c5b67-b38f-4dfe-955b-926c56ae20c7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_184055a9-dea1-489e-8f6a-5a696d9385a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_e97c5b67-b38f-4dfe-955b-926c56ae20c7" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_184055a9-dea1-489e-8f6a-5a696d9385a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_9f2190e1-c84e-4103-87d5-29535720b64d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_184055a9-dea1-489e-8f6a-5a696d9385a5" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_9f2190e1-c84e-4103-87d5-29535720b64d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_77a3a303-beeb-4c9d-9c1b-9f8f2aa9f88b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_184055a9-dea1-489e-8f6a-5a696d9385a5" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_77a3a303-beeb-4c9d-9c1b-9f8f2aa9f88b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_2518e622-09f4-42f7-a034-64a26889fa82" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_184055a9-dea1-489e-8f6a-5a696d9385a5" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_2518e622-09f4-42f7-a034-64a26889fa82" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_e2005b19-1c0c-4007-b90c-fbe7b9638120" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_34b93b99-43b9-4e1e-ba37-ed71a74c24b4" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_e2005b19-1c0c-4007-b90c-fbe7b9638120" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_e2005b19-1c0c-4007-b90c-fbe7b9638120_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_e2005b19-1c0c-4007-b90c-fbe7b9638120" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_e2005b19-1c0c-4007-b90c-fbe7b9638120_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_de85a18b-d5f2-4fe0-a192-6f26ed20813a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_e2005b19-1c0c-4007-b90c-fbe7b9638120" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_de85a18b-d5f2-4fe0-a192-6f26ed20813a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_b30f4a8b-963b-46c8-8bb9-71c2ff1fdb8d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_de85a18b-d5f2-4fe0-a192-6f26ed20813a" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_b30f4a8b-963b-46c8-8bb9-71c2ff1fdb8d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/InvestmentsinNonConsolidatedEntitiesScheduleofInvestmentinNonConsolidatedEntitiesDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#InvestmentsinNonConsolidatedEntitiesScheduleofInvestmentinNonConsolidatedEntitiesDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/InvestmentsinNonConsolidatedEntitiesScheduleofInvestmentinNonConsolidatedEntitiesDetails" xlink:type="extended" id="ie422fbd3290a4a33a091dced8abf9004_InvestmentsinNonConsolidatedEntitiesScheduleofInvestmentinNonConsolidatedEntitiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_59c4fb1b-fe29-4c56-b6c0-0791a87ae5e7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_83a091cc-2da2-4ee5-b309-272c610ee79e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_59c4fb1b-fe29-4c56-b6c0-0791a87ae5e7" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_83a091cc-2da2-4ee5-b309-272c610ee79e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_edfb14b4-92aa-46b7-aab7-b6cb60ee3d92" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_59c4fb1b-fe29-4c56-b6c0-0791a87ae5e7" xlink:to="loc_us-gaap_EquityMethodInvestments_edfb14b4-92aa-46b7-aab7-b6cb60ee3d92" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_RealEstateNumberofPropertiesSold_2561f672-2a9d-407a-8411-7069d555f6a6" xlink:href="lxp-20210630.xsd#lxp_RealEstateNumberofPropertiesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_59c4fb1b-fe29-4c56-b6c0-0791a87ae5e7" xlink:to="loc_lxp_RealEstateNumberofPropertiesSold_2561f672-2a9d-407a-8411-7069d555f6a6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_9239e95b-f05a-410f-8110-98493310fde4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnSaleOfProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_59c4fb1b-fe29-4c56-b6c0-0791a87ae5e7" xlink:to="loc_us-gaap_GainLossOnSaleOfProperties_9239e95b-f05a-410f-8110-98493310fde4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_99bf5fc7-f6f5-4f96-8b70-87899a2dc624" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyHeldForSale"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_59c4fb1b-fe29-4c56-b6c0-0791a87ae5e7" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_99bf5fc7-f6f5-4f96-8b70-87899a2dc624" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAmount_63be54fc-47a2-4985-8ce7-11418d20239d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ExtinguishmentOfDebtAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_59c4fb1b-fe29-4c56-b6c0-0791a87ae5e7" xlink:to="loc_us-gaap_ExtinguishmentOfDebtAmount_63be54fc-47a2-4985-8ce7-11418d20239d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesTable_9e26421a-b2e6-4126-a1c6-4ed383842e66" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems_59c4fb1b-fe29-4c56-b6c0-0791a87ae5e7" xlink:to="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesTable_9e26421a-b2e6-4126-a1c6-4ed383842e66" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_5c9ff5bf-a4a3-4a5d-86b7-5dc615b5ca0c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesTable_9e26421a-b2e6-4126-a1c6-4ed383842e66" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_5c9ff5bf-a4a3-4a5d-86b7-5dc615b5ca0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5c9ff5bf-a4a3-4a5d-86b7-5dc615b5ca0c_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_5c9ff5bf-a4a3-4a5d-86b7-5dc615b5ca0c" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5c9ff5bf-a4a3-4a5d-86b7-5dc615b5ca0c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_15a4da8e-5f90-470a-af9d-bb931e43d276" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_5c9ff5bf-a4a3-4a5d-86b7-5dc615b5ca0c" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_15a4da8e-5f90-470a-af9d-bb931e43d276" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NNNOfficeJointVenturePropertiesMember_bd9e2cde-a269-496d-95dc-8e04efee466b" xlink:href="lxp-20210630.xsd#lxp_NNNOfficeJointVenturePropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_15a4da8e-5f90-470a-af9d-bb931e43d276" xlink:to="loc_lxp_NNNOfficeJointVenturePropertiesMember_bd9e2cde-a269-496d-95dc-8e04efee466b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_d9124a3a-a8c7-4650-b76f-2e1947ac9830" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesTable_9e26421a-b2e6-4126-a1c6-4ed383842e66" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_d9124a3a-a8c7-4650-b76f-2e1947ac9830" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_d9124a3a-a8c7-4650-b76f-2e1947ac9830_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_d9124a3a-a8c7-4650-b76f-2e1947ac9830" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_d9124a3a-a8c7-4650-b76f-2e1947ac9830_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_eb8bb4f7-a8b1-4fee-ac26-83b4f8e5990c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_d9124a3a-a8c7-4650-b76f-2e1947ac9830" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_eb8bb4f7-a8b1-4fee-ac26-83b4f8e5990c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgagesMember_ad12d5db-8daa-40ed-be16-7b98d9c97bd9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MortgagesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_eb8bb4f7-a8b1-4fee-ac26-83b4f8e5990c" xlink:to="loc_us-gaap_MortgagesMember_ad12d5db-8daa-40ed-be16-7b98d9c97bd9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_cb7d37a4-af70-4ac6-967d-def761368cc0" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesTable_9e26421a-b2e6-4126-a1c6-4ed383842e66" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_cb7d37a4-af70-4ac6-967d-def761368cc0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_cb7d37a4-af70-4ac6-967d-def761368cc0_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_cb7d37a4-af70-4ac6-967d-def761368cc0" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_cb7d37a4-af70-4ac6-967d-def761368cc0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_288eb5ba-dd4d-4e6b-91db-a2e9f2599407" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_cb7d37a4-af70-4ac6-967d-def761368cc0" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_288eb5ba-dd4d-4e6b-91db-a2e9f2599407" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NNNOfficeJointVentureMember_d1c84ac4-df4c-4c00-91a2-877153383203" xlink:href="lxp-20210630.xsd#lxp_NNNOfficeJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_288eb5ba-dd4d-4e6b-91db-a2e9f2599407" xlink:to="loc_lxp_NNNOfficeJointVentureMember_d1c84ac4-df4c-4c00-91a2-877153383203" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_EtnaPark70Member_14eba695-35bd-4fbb-9359-db2b5b293a02" xlink:href="lxp-20210630.xsd#lxp_EtnaPark70Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_288eb5ba-dd4d-4e6b-91db-a2e9f2599407" xlink:to="loc_lxp_EtnaPark70Member_14eba695-35bd-4fbb-9359-db2b5b293a02" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_EtnaPark70EastLLCMember_0daae6d1-8935-41d6-bc67-754bb959c815" xlink:href="lxp-20210630.xsd#lxp_EtnaPark70EastLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_288eb5ba-dd4d-4e6b-91db-a2e9f2599407" xlink:to="loc_lxp_EtnaPark70EastLLCMember_0daae6d1-8935-41d6-bc67-754bb959c815" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_BSHLesseeLPMember_e54ea5e4-da00-44f2-8851-f12a7d768aef" xlink:href="lxp-20210630.xsd#lxp_BSHLesseeLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_288eb5ba-dd4d-4e6b-91db-a2e9f2599407" xlink:to="loc_lxp_BSHLesseeLPMember_e54ea5e4-da00-44f2-8851-f12a7d768aef" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/DebtScheduleofMortgagesandNotesPayableDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#DebtScheduleofMortgagesandNotesPayableDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/DebtScheduleofMortgagesandNotesPayableDetails" xlink:type="extended" id="i40f1111481f643f28f78e85a8caef1e1_DebtScheduleofMortgagesandNotesPayableDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_4f5acf05-58fb-4b38-879f-43051f8e64ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_12fde625-7832-45ac-a764-428515ec2126" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4f5acf05-58fb-4b38-879f-43051f8e64ce" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_12fde625-7832-45ac-a764-428515ec2126" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_0a02ef25-ee51-4d47-9c7e-69b5dac86e11" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4f5acf05-58fb-4b38-879f-43051f8e64ce" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_0a02ef25-ee51-4d47-9c7e-69b5dac86e11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_5d1dc5da-b870-4e1f-9c0b-7110056371f4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4f5acf05-58fb-4b38-879f-43051f8e64ce" xlink:to="loc_us-gaap_LongTermDebt_5d1dc5da-b870-4e1f-9c0b-7110056371f4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_c166e933-133b-4804-acfa-0185c0b25709" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4f5acf05-58fb-4b38-879f-43051f8e64ce" xlink:to="loc_us-gaap_DebtInstrumentTable_c166e933-133b-4804-acfa-0185c0b25709" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_1a484acb-a8db-4dc1-b061-eca7646cec6c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c166e933-133b-4804-acfa-0185c0b25709" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_1a484acb-a8db-4dc1-b061-eca7646cec6c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_1a484acb-a8db-4dc1-b061-eca7646cec6c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_1a484acb-a8db-4dc1-b061-eca7646cec6c" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_1a484acb-a8db-4dc1-b061-eca7646cec6c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_d21b7b10-3584-41fa-a385-dee492e2c956" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_1a484acb-a8db-4dc1-b061-eca7646cec6c" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_d21b7b10-3584-41fa-a385-dee492e2c956" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_MortgagesAndNotesPayableMember_4ba206cb-b2c9-4106-b4ed-ed1fcd701baa" xlink:href="lxp-20210630.xsd#lxp_MortgagesAndNotesPayableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d21b7b10-3584-41fa-a385-dee492e2c956" xlink:to="loc_lxp_MortgagesAndNotesPayableMember_4ba206cb-b2c9-4106-b4ed-ed1fcd701baa" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/DebtAdditionalInformationDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#DebtAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/DebtAdditionalInformationDetails" xlink:type="extended" id="i4591a962d02441ff99fa89a5763851d4_DebtAdditionalInformationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_dcc24a14-03e7-48ca-ba76-3e6437ad62fc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_a9eef713-39a4-4fcc-8f28-fd2e7dec16c1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_dcc24a14-03e7-48ca-ba76-3e6437ad62fc" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_a9eef713-39a4-4fcc-8f28-fd2e7dec16c1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_954ac0d8-bfee-49bc-8494-7891d799a20f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_dcc24a14-03e7-48ca-ba76-3e6437ad62fc" xlink:to="loc_us-gaap_DebtWeightedAverageInterestRate_954ac0d8-bfee-49bc-8494-7891d799a20f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_799378c5-0520-4384-8737-fbefd9d9d202" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_dcc24a14-03e7-48ca-ba76-3e6437ad62fc" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_799378c5-0520-4384-8737-fbefd9d9d202" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_c20c2bec-710a-446b-b90c-778910af2274" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_dcc24a14-03e7-48ca-ba76-3e6437ad62fc" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_c20c2bec-710a-446b-b90c-778910af2274" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_37c9f0fc-7fef-42a8-abb6-d80c655fbeed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_dcc24a14-03e7-48ca-ba76-3e6437ad62fc" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_37c9f0fc-7fef-42a8-abb6-d80c655fbeed" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrincipalAmountOutstandingOnLoansSecuritized_54890a8d-a521-4086-ae28-c3df4d523d41" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrincipalAmountOutstandingOnLoansSecuritized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_dcc24a14-03e7-48ca-ba76-3e6437ad62fc" xlink:to="loc_us-gaap_PrincipalAmountOutstandingOnLoansSecuritized_54890a8d-a521-4086-ae28-c3df4d523d41" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsGross_d8d0245c-1e8f-473f-aebf-21313e3d7e40" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFinanceCostsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_dcc24a14-03e7-48ca-ba76-3e6437ad62fc" xlink:to="loc_us-gaap_DeferredFinanceCostsGross_d8d0245c-1e8f-473f-aebf-21313e3d7e40" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestCostsCapitalized_1cfea85f-1a91-4914-b006-1456d8dd129e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestCostsCapitalized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_dcc24a14-03e7-48ca-ba76-3e6437ad62fc" xlink:to="loc_us-gaap_InterestCostsCapitalized_1cfea85f-1a91-4914-b006-1456d8dd129e" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_913fb159-ec3e-41d4-a34b-d07e05eb1ef1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_dcc24a14-03e7-48ca-ba76-3e6437ad62fc" xlink:to="loc_us-gaap_DebtInstrumentTable_913fb159-ec3e-41d4-a34b-d07e05eb1ef1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_0e1a9e95-64da-447d-a021-e2e4f53b8b98" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_913fb159-ec3e-41d4-a34b-d07e05eb1ef1" xlink:to="loc_srt_RangeAxis_0e1a9e95-64da-447d-a021-e2e4f53b8b98" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_0e1a9e95-64da-447d-a021-e2e4f53b8b98_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_0e1a9e95-64da-447d-a021-e2e4f53b8b98" xlink:to="loc_srt_RangeMember_0e1a9e95-64da-447d-a021-e2e4f53b8b98_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_2db44b7d-f35c-45c5-8c20-4d63b978292a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_0e1a9e95-64da-447d-a021-e2e4f53b8b98" xlink:to="loc_srt_RangeMember_2db44b7d-f35c-45c5-8c20-4d63b978292a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_20db5327-558b-4129-a496-4dad46e4b281" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_2db44b7d-f35c-45c5-8c20-4d63b978292a" xlink:to="loc_srt_MinimumMember_20db5327-558b-4129-a496-4dad46e4b281" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_b13d29ca-3f51-4684-9530-252f7d6b5b7e" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_2db44b7d-f35c-45c5-8c20-4d63b978292a" xlink:to="loc_srt_MaximumMember_b13d29ca-3f51-4684-9530-252f7d6b5b7e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_6e085ef9-0931-496b-831d-2624c5b85b25" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_913fb159-ec3e-41d4-a34b-d07e05eb1ef1" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_6e085ef9-0931-496b-831d-2624c5b85b25" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_6e085ef9-0931-496b-831d-2624c5b85b25_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_6e085ef9-0931-496b-831d-2624c5b85b25" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_6e085ef9-0931-496b-831d-2624c5b85b25_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_c60e1a7f-6e0b-4e90-9eb0-123340955cee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_6e085ef9-0931-496b-831d-2624c5b85b25" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_c60e1a7f-6e0b-4e90-9eb0-123340955cee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_MortgagesAndNotesPayableMember_f8957b54-2031-4cb5-9139-6f1350b7a57e" xlink:href="lxp-20210630.xsd#lxp_MortgagesAndNotesPayableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_c60e1a7f-6e0b-4e90-9eb0-123340955cee" xlink:to="loc_lxp_MortgagesAndNotesPayableMember_f8957b54-2031-4cb5-9139-6f1350b7a57e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_TrustPreferredSecuritiesMember_eadb2be7-c806-4443-acb8-b93a1db0b06f" xlink:href="lxp-20210630.xsd#lxp_TrustPreferredSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_c60e1a7f-6e0b-4e90-9eb0-123340955cee" xlink:to="loc_lxp_TrustPreferredSecuritiesMember_eadb2be7-c806-4443-acb8-b93a1db0b06f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_ee1255e1-d2dd-4e4c-a743-f01496446b48" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_913fb159-ec3e-41d4-a34b-d07e05eb1ef1" xlink:to="loc_us-gaap_VariableRateAxis_ee1255e1-d2dd-4e4c-a743-f01496446b48" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_ee1255e1-d2dd-4e4c-a743-f01496446b48_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_ee1255e1-d2dd-4e4c-a743-f01496446b48" xlink:to="loc_us-gaap_VariableRateDomain_ee1255e1-d2dd-4e4c-a743-f01496446b48_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_a3ac2d4b-8cab-4965-8c32-b475127ad569" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_ee1255e1-d2dd-4e4c-a743-f01496446b48" xlink:to="loc_us-gaap_VariableRateDomain_a3ac2d4b-8cab-4965-8c32-b475127ad569" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_cef7330d-3cf2-4033-8fd2-407f7ec2fde2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_a3ac2d4b-8cab-4965-8c32-b475127ad569" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_cef7330d-3cf2-4033-8fd2-407f7ec2fde2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_668c92c9-e271-4c7e-9fbf-963f09c16a9e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_913fb159-ec3e-41d4-a34b-d07e05eb1ef1" xlink:to="loc_us-gaap_DebtInstrumentAxis_668c92c9-e271-4c7e-9fbf-963f09c16a9e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_668c92c9-e271-4c7e-9fbf-963f09c16a9e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_668c92c9-e271-4c7e-9fbf-963f09c16a9e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_668c92c9-e271-4c7e-9fbf-963f09c16a9e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_4732fe77-7245-4ca3-b3a2-37c03c6f4f11" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_668c92c9-e271-4c7e-9fbf-963f09c16a9e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_4732fe77-7245-4ca3-b3a2-37c03c6f4f11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_SixPointEightZeroFourPercentTrustPreferredSecuritiesMember_06073368-5e63-4b99-97bc-f3850895a277" xlink:href="lxp-20210630.xsd#lxp_SixPointEightZeroFourPercentTrustPreferredSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4732fe77-7245-4ca3-b3a2-37c03c6f4f11" xlink:to="loc_lxp_SixPointEightZeroFourPercentTrustPreferredSecuritiesMember_06073368-5e63-4b99-97bc-f3850895a277" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/DebtScheduleofDebtInstrumentRedemptionDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#DebtScheduleofDebtInstrumentRedemptionDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/DebtScheduleofDebtInstrumentRedemptionDetails" xlink:type="extended" id="i957692ddce364083b41e8ecb3f832b42_DebtScheduleofDebtInstrumentRedemptionDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_c78eded0-f701-4eb4-821d-806df3d2b02e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_4499ee3a-f54a-448a-99a9-a1d75f9562c6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c78eded0-f701-4eb4-821d-806df3d2b02e" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_4499ee3a-f54a-448a-99a9-a1d75f9562c6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_00dd7aa3-6ed7-438f-8ec0-3828568a8d22" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c78eded0-f701-4eb4-821d-806df3d2b02e" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_00dd7aa3-6ed7-438f-8ec0-3828568a8d22" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_DebtInstrumentPercentageofIssuancePrice_4e21be5c-045d-471b-8488-1955c8a0cb22" xlink:href="lxp-20210630.xsd#lxp_DebtInstrumentPercentageofIssuancePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c78eded0-f701-4eb4-821d-806df3d2b02e" xlink:to="loc_lxp_DebtInstrumentPercentageofIssuancePrice_4e21be5c-045d-471b-8488-1955c8a0cb22" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_a25f7f61-c568-4fa3-a0b8-b035df904804" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c78eded0-f701-4eb4-821d-806df3d2b02e" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_a25f7f61-c568-4fa3-a0b8-b035df904804" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_eae21643-3a68-4034-985e-0a371cb9e0ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c78eded0-f701-4eb4-821d-806df3d2b02e" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_eae21643-3a68-4034-985e-0a371cb9e0ce" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_4694d4fe-ca12-4325-8db5-d25710100119" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c78eded0-f701-4eb4-821d-806df3d2b02e" xlink:to="loc_us-gaap_LongTermDebt_4694d4fe-ca12-4325-8db5-d25710100119" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_6ae86d37-ccec-4708-b133-3c4e5ead7a22" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c78eded0-f701-4eb4-821d-806df3d2b02e" xlink:to="loc_us-gaap_DebtInstrumentTable_6ae86d37-ccec-4708-b133-3c4e5ead7a22" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_c3f77d40-411b-4958-8128-fdf7a0c172df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6ae86d37-ccec-4708-b133-3c4e5ead7a22" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_c3f77d40-411b-4958-8128-fdf7a0c172df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_c3f77d40-411b-4958-8128-fdf7a0c172df_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_c3f77d40-411b-4958-8128-fdf7a0c172df" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_c3f77d40-411b-4958-8128-fdf7a0c172df_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_c4f88390-d72f-4bb2-850d-8c158499ab5a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_c3f77d40-411b-4958-8128-fdf7a0c172df" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_c4f88390-d72f-4bb2-850d-8c158499ab5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_4d3a1c15-31bb-4071-9f96-b6d7bd353b38" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_c4f88390-d72f-4bb2-850d-8c158499ab5a" xlink:to="loc_us-gaap_SeniorNotesMember_4d3a1c15-31bb-4071-9f96-b6d7bd353b38" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_8761f929-45a3-4082-8a87-07de88e0a63a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6ae86d37-ccec-4708-b133-3c4e5ead7a22" xlink:to="loc_us-gaap_DebtInstrumentAxis_8761f929-45a3-4082-8a87-07de88e0a63a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_8761f929-45a3-4082-8a87-07de88e0a63a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_8761f929-45a3-4082-8a87-07de88e0a63a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_8761f929-45a3-4082-8a87-07de88e0a63a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_a884bf75-2311-4f5d-bfcd-edf6e3c9b9e0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_8761f929-45a3-4082-8a87-07de88e0a63a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_a884bf75-2311-4f5d-bfcd-edf6e3c9b9e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_SeniorNotesDue2030Member_3ff91821-a884-48ec-a169-86d9c9c25d0c" xlink:href="lxp-20210630.xsd#lxp_SeniorNotesDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a884bf75-2311-4f5d-bfcd-edf6e3c9b9e0" xlink:to="loc_lxp_SeniorNotesDue2030Member_3ff91821-a884-48ec-a169-86d9c9c25d0c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_SeniorNotesDue2024Member_45c05f68-eeea-4ad5-b785-7e412d0e2d1b" xlink:href="lxp-20210630.xsd#lxp_SeniorNotesDue2024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a884bf75-2311-4f5d-bfcd-edf6e3c9b9e0" xlink:to="loc_lxp_SeniorNotesDue2024Member_45c05f68-eeea-4ad5-b785-7e412d0e2d1b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_SeniorNotesDue2023Member_b832e29b-65c1-4fc3-949b-3cb2da74b010" xlink:href="lxp-20210630.xsd#lxp_SeniorNotesDue2023Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a884bf75-2311-4f5d-bfcd-edf6e3c9b9e0" xlink:to="loc_lxp_SeniorNotesDue2023Member_b832e29b-65c1-4fc3-949b-3cb2da74b010" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/DebtScheduleofCreditAgreementTermsDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#DebtScheduleofCreditAgreementTermsDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/DebtScheduleofCreditAgreementTermsDetails" xlink:type="extended" id="i293cef9ab1234cdea8906d16c4dbbc6d_DebtScheduleofCreditAgreementTermsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_e57b5004-f535-4442-bfc5-94920470d452" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_625e4a0f-bf42-4b16-b9bb-d0cd3e09dd6e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e57b5004-f535-4442-bfc5-94920470d452" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_625e4a0f-bf42-4b16-b9bb-d0cd3e09dd6e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_eae3d6f3-71f1-40d4-adfc-7d9ebb57b1e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e57b5004-f535-4442-bfc5-94920470d452" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_eae3d6f3-71f1-40d4-adfc-7d9ebb57b1e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_e311c46e-ffab-44b3-9f78-38d3709fea17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e57b5004-f535-4442-bfc5-94920470d452" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_e311c46e-ffab-44b3-9f78-38d3709fea17" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_69f15270-c120-44d3-bab1-cae14a0f455e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e57b5004-f535-4442-bfc5-94920470d452" xlink:to="loc_us-gaap_LineOfCredit_69f15270-c120-44d3-bab1-cae14a0f455e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2e91ef45-9940-4549-90a9-ec0852265cc8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e57b5004-f535-4442-bfc5-94920470d452" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2e91ef45-9940-4549-90a9-ec0852265cc8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_8e98a176-cd49-419f-afba-20d9604e5c28" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e57b5004-f535-4442-bfc5-94920470d452" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_8e98a176-cd49-419f-afba-20d9604e5c28" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsGross_2c01057a-eddc-46d5-85d7-934aeafad006" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFinanceCostsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e57b5004-f535-4442-bfc5-94920470d452" xlink:to="loc_us-gaap_DeferredFinanceCostsGross_2c01057a-eddc-46d5-85d7-934aeafad006" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_c3b90a88-3ed8-4c28-bec8-7be8dbb74860" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e57b5004-f535-4442-bfc5-94920470d452" xlink:to="loc_us-gaap_DebtInstrumentTable_c3b90a88-3ed8-4c28-bec8-7be8dbb74860" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_a7875dc3-b98e-455c-92cf-f793b1ebf31a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c3b90a88-3ed8-4c28-bec8-7be8dbb74860" xlink:to="loc_us-gaap_VariableRateAxis_a7875dc3-b98e-455c-92cf-f793b1ebf31a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_a7875dc3-b98e-455c-92cf-f793b1ebf31a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_a7875dc3-b98e-455c-92cf-f793b1ebf31a" xlink:to="loc_us-gaap_VariableRateDomain_a7875dc3-b98e-455c-92cf-f793b1ebf31a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_cf6c8054-5a84-42c9-bd0e-16dd3b4242f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_a7875dc3-b98e-455c-92cf-f793b1ebf31a" xlink:to="loc_us-gaap_VariableRateDomain_cf6c8054-5a84-42c9-bd0e-16dd3b4242f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_ef930446-cd30-4c8d-9d39-5d14b5a0fdd7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_cf6c8054-5a84-42c9-bd0e-16dd3b4242f1" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_ef930446-cd30-4c8d-9d39-5d14b5a0fdd7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_3dfe7e5d-43f5-47cc-9298-2a4b2ddd8a7a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c3b90a88-3ed8-4c28-bec8-7be8dbb74860" xlink:to="loc_us-gaap_DebtInstrumentAxis_3dfe7e5d-43f5-47cc-9298-2a4b2ddd8a7a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_3dfe7e5d-43f5-47cc-9298-2a4b2ddd8a7a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_3dfe7e5d-43f5-47cc-9298-2a4b2ddd8a7a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_3dfe7e5d-43f5-47cc-9298-2a4b2ddd8a7a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_abf084c6-2276-4023-9c01-5d9af6b02ab4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_3dfe7e5d-43f5-47cc-9298-2a4b2ddd8a7a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_abf084c6-2276-4023-9c01-5d9af6b02ab4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_UnsecuredRevolvingCreditFacilityExpiringFebruary2023Member_d896b07c-4aa2-464b-98ef-81b4665ef3de" xlink:href="lxp-20210630.xsd#lxp_UnsecuredRevolvingCreditFacilityExpiringFebruary2023Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_abf084c6-2276-4023-9c01-5d9af6b02ab4" xlink:to="loc_lxp_UnsecuredRevolvingCreditFacilityExpiringFebruary2023Member_d896b07c-4aa2-464b-98ef-81b4665ef3de" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_UnsecuredTermLoanExpiringJanuary2025Member_420d57aa-406a-44d1-b863-365c42efd874" xlink:href="lxp-20210630.xsd#lxp_UnsecuredTermLoanExpiringJanuary2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_abf084c6-2276-4023-9c01-5d9af6b02ab4" xlink:to="loc_lxp_UnsecuredTermLoanExpiringJanuary2025Member_420d57aa-406a-44d1-b863-365c42efd874" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_64858b4f-5f7b-4bf8-811b-ad930c6234b5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c3b90a88-3ed8-4c28-bec8-7be8dbb74860" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_64858b4f-5f7b-4bf8-811b-ad930c6234b5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_64858b4f-5f7b-4bf8-811b-ad930c6234b5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_64858b4f-5f7b-4bf8-811b-ad930c6234b5" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_64858b4f-5f7b-4bf8-811b-ad930c6234b5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_705885f7-303c-4f70-9879-7a9784fbd88c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_64858b4f-5f7b-4bf8-811b-ad930c6234b5" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_705885f7-303c-4f70-9879-7a9784fbd88c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_3c0becbf-619e-4ad1-a5ac-f26578c1e9d5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_705885f7-303c-4f70-9879-7a9784fbd88c" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_3c0becbf-619e-4ad1-a5ac-f26578c1e9d5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_UnsecuredTermLoanMember_947cb0f6-2460-4467-950c-3a9939c1adb3" xlink:href="lxp-20210630.xsd#lxp_UnsecuredTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_705885f7-303c-4f70-9879-7a9784fbd88c" xlink:to="loc_lxp_UnsecuredTermLoanMember_947cb0f6-2460-4467-950c-3a9939c1adb3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_4609862e-7459-4d0a-a2bf-69be388313b5" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c3b90a88-3ed8-4c28-bec8-7be8dbb74860" xlink:to="loc_srt_RangeAxis_4609862e-7459-4d0a-a2bf-69be388313b5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_4609862e-7459-4d0a-a2bf-69be388313b5_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_4609862e-7459-4d0a-a2bf-69be388313b5" xlink:to="loc_srt_RangeMember_4609862e-7459-4d0a-a2bf-69be388313b5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_08582e76-18ca-440e-aa1d-5cc121ac83f9" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_4609862e-7459-4d0a-a2bf-69be388313b5" xlink:to="loc_srt_RangeMember_08582e76-18ca-440e-aa1d-5cc121ac83f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_0d296544-58d8-4ec9-bd96-299b7a612663" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_08582e76-18ca-440e-aa1d-5cc121ac83f9" xlink:to="loc_srt_MinimumMember_0d296544-58d8-4ec9-bd96-299b7a612663" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_388562bf-278d-47bd-9a86-4a02f224b057" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_08582e76-18ca-440e-aa1d-5cc121ac83f9" xlink:to="loc_srt_MaximumMember_388562bf-278d-47bd-9a86-4a02f224b057" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/DerivativesandHedgingActivitiesDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#DerivativesandHedgingActivitiesDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/DerivativesandHedgingActivitiesDetails" xlink:type="extended" id="i3f690e46954d4b5cb3f1da4366980d36_DerivativesandHedgingActivitiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_a2119005-91bd-4a18-914d-a2208c6c372f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_5f386d32-a2f5-40d9-948d-83fe6ec10e20" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeNumberOfInstrumentsHeld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_a2119005-91bd-4a18-914d-a2208c6c372f" xlink:to="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_5f386d32-a2f5-40d9-948d-83fe6ec10e20" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_35c83cb7-8745-4280-9a5a-9ed8690a194b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_a2119005-91bd-4a18-914d-a2208c6c372f" xlink:to="loc_us-gaap_DerivativeNotionalAmount_35c83cb7-8745-4280-9a5a-9ed8690a194b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_01a9a68d-e8c0-478e-aa97-49ef80359384" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_a2119005-91bd-4a18-914d-a2208c6c372f" xlink:to="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_01a9a68d-e8c0-478e-aa97-49ef80359384" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_d78b7737-cd96-4cd6-aa75-1cb755071ea7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_a2119005-91bd-4a18-914d-a2208c6c372f" xlink:to="loc_us-gaap_DerivativeLiabilities_d78b7737-cd96-4cd6-aa75-1cb755071ea7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_21b847cf-000a-4f7a-821d-13b71fb8e53e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_a2119005-91bd-4a18-914d-a2208c6c372f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_21b847cf-000a-4f7a-821d-13b71fb8e53e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_9d11f058-53ca-4118-9dfa-74cb29a81ee2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_a2119005-91bd-4a18-914d-a2208c6c372f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_9d11f058-53ca-4118-9dfa-74cb29a81ee2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_362e4a34-8f6c-4218-8981-0e9e61619d32" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_a2119005-91bd-4a18-914d-a2208c6c372f" xlink:to="loc_us-gaap_InterestExpense_362e4a34-8f6c-4218-8981-0e9e61619d32" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_875481de-5427-4f84-93a2-80d457fbf7bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_a2119005-91bd-4a18-914d-a2208c6c372f" xlink:to="loc_us-gaap_DerivativeTable_875481de-5427-4f84-93a2-80d457fbf7bc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_e562b2fa-4507-4b2e-96c6-af34118f6fa4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_875481de-5427-4f84-93a2-80d457fbf7bc" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_e562b2fa-4507-4b2e-96c6-af34118f6fa4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_e562b2fa-4507-4b2e-96c6-af34118f6fa4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_e562b2fa-4507-4b2e-96c6-af34118f6fa4" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_e562b2fa-4507-4b2e-96c6-af34118f6fa4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_f8fcb701-e75b-4772-82d6-366c2891626d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_e562b2fa-4507-4b2e-96c6-af34118f6fa4" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_f8fcb701-e75b-4772-82d6-366c2891626d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_60b5c166-807d-467a-9d7b-daad20c7cf2f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_f8fcb701-e75b-4772-82d6-366c2891626d" xlink:to="loc_us-gaap_InterestRateSwapMember_60b5c166-807d-467a-9d7b-daad20c7cf2f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_a17d5ee5-6283-42b7-afde-e4358aa6d6fd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_875481de-5427-4f84-93a2-80d457fbf7bc" xlink:to="loc_us-gaap_HedgingDesignationAxis_a17d5ee5-6283-42b7-afde-e4358aa6d6fd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_a17d5ee5-6283-42b7-afde-e4358aa6d6fd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_a17d5ee5-6283-42b7-afde-e4358aa6d6fd" xlink:to="loc_us-gaap_HedgingDesignationDomain_a17d5ee5-6283-42b7-afde-e4358aa6d6fd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_e6aa0ef1-0c9e-4d73-89db-8c041b9d8a65" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_a17d5ee5-6283-42b7-afde-e4358aa6d6fd" xlink:to="loc_us-gaap_HedgingDesignationDomain_e6aa0ef1-0c9e-4d73-89db-8c041b9d8a65" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_82580532-044e-4096-87e7-f699ee9e6012" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_e6aa0ef1-0c9e-4d73-89db-8c041b9d8a65" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_82580532-044e-4096-87e7-f699ee9e6012" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_791bd384-6fea-48b1-90b6-30a45554e080" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_875481de-5427-4f84-93a2-80d457fbf7bc" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_791bd384-6fea-48b1-90b6-30a45554e080" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_791bd384-6fea-48b1-90b6-30a45554e080_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_791bd384-6fea-48b1-90b6-30a45554e080" xlink:to="loc_us-gaap_HedgingRelationshipDomain_791bd384-6fea-48b1-90b6-30a45554e080_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_9d6ff769-5130-4d57-a081-75e4edcd2a08" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_791bd384-6fea-48b1-90b6-30a45554e080" xlink:to="loc_us-gaap_HedgingRelationshipDomain_9d6ff769-5130-4d57-a081-75e4edcd2a08" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_569616fe-2733-464b-b4f6-ab36c4b2433f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_9d6ff769-5130-4d57-a081-75e4edcd2a08" xlink:to="loc_us-gaap_CashFlowHedgingMember_569616fe-2733-464b-b4f6-ab36c4b2433f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_c3c5c337-dd9e-4f59-b05b-55b3bbe6136f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_875481de-5427-4f84-93a2-80d457fbf7bc" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_c3c5c337-dd9e-4f59-b05b-55b3bbe6136f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_c3c5c337-dd9e-4f59-b05b-55b3bbe6136f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_c3c5c337-dd9e-4f59-b05b-55b3bbe6136f" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_c3c5c337-dd9e-4f59-b05b-55b3bbe6136f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_c63bfeb5-be32-4b58-875c-b27d79488ed5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_c3c5c337-dd9e-4f59-b05b-55b3bbe6136f" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_c63bfeb5-be32-4b58-875c-b27d79488ed5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_AccountsPayableAndOtherLiabilitiesMember_af91cdd1-0c3b-4064-ac03-46490a938d95" xlink:href="lxp-20210630.xsd#lxp_AccountsPayableAndOtherLiabilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_c63bfeb5-be32-4b58-875c-b27d79488ed5" xlink:to="loc_lxp_AccountsPayableAndOtherLiabilitiesMember_af91cdd1-0c3b-4064-ac03-46490a938d95" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_ffd68dd2-f170-41a1-99b2-e655c1ef3250" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_875481de-5427-4f84-93a2-80d457fbf7bc" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_ffd68dd2-f170-41a1-99b2-e655c1ef3250" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_ffd68dd2-f170-41a1-99b2-e655c1ef3250_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_ffd68dd2-f170-41a1-99b2-e655c1ef3250" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_ffd68dd2-f170-41a1-99b2-e655c1ef3250_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_257ddbf3-fccd-47e7-936b-44ac4b18d5ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_ffd68dd2-f170-41a1-99b2-e655c1ef3250" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_257ddbf3-fccd-47e7-936b-44ac4b18d5ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseMember_bd655bd6-885b-448d-a247-b61d0c7b0fe0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_257ddbf3-fccd-47e7-936b-44ac4b18d5ce" xlink:to="loc_us-gaap_InterestExpenseMember_bd655bd6-885b-448d-a247-b61d0c7b0fe0" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/LeaseAccountingAdditionalInformationDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#LeaseAccountingAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/LeaseAccountingAdditionalInformationDetails" xlink:type="extended" id="i3f6edb8e6b254130af40f886b273014b_LeaseAccountingAdditionalInformationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_dd23fec8-7048-402a-918c-265fd64d3461" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_LessorOperatingLeaseDeferredRentReceivableWriteoff_089a89bd-a408-48ef-b8cd-b287c9328176" xlink:href="lxp-20210630.xsd#lxp_LessorOperatingLeaseDeferredRentReceivableWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_dd23fec8-7048-402a-918c-265fd64d3461" xlink:to="loc_lxp_LessorOperatingLeaseDeferredRentReceivableWriteoff_089a89bd-a408-48ef-b8cd-b287c9328176" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_LessorOperatingLeaseAccountReceivableWriteoff_dc9887e2-71b5-4642-a241-0f6848e9a7dc" xlink:href="lxp-20210630.xsd#lxp_LessorOperatingLeaseAccountReceivableWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_dd23fec8-7048-402a-918c-265fd64d3461" xlink:to="loc_lxp_LessorOperatingLeaseAccountReceivableWriteoff_dc9887e2-71b5-4642-a241-0f6848e9a7dc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_LessorLeaseExecutionCosts_1236c821-05eb-48e8-afa8-830d0ee26e37" xlink:href="lxp-20210630.xsd#lxp_LessorLeaseExecutionCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_dd23fec8-7048-402a-918c-265fd64d3461" xlink:to="loc_lxp_LessorLeaseExecutionCosts_1236c821-05eb-48e8-afa8-830d0ee26e37" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseRemainingLeaseTerm_f53e8258-eac5-4625-b859-9e2f39d79763" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseRemainingLeaseTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_dd23fec8-7048-402a-918c-265fd64d3461" xlink:to="loc_us-gaap_LesseeOperatingLeaseRemainingLeaseTerm_f53e8258-eac5-4625-b859-9e2f39d79763" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_b51b7936-82c7-4fc3-b671-3ba7e5b479af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_dd23fec8-7048-402a-918c-265fd64d3461" xlink:to="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_b51b7936-82c7-4fc3-b671-3ba7e5b479af" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubleaseIncome_b3458de0-aeab-4c88-b7f4-3516679f7d3e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubleaseIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_dd23fec8-7048-402a-918c-265fd64d3461" xlink:to="loc_us-gaap_SubleaseIncome_b3458de0-aeab-4c88-b7f4-3516679f7d3e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_e9479340-4986-49e5-9ab5-c00d465fd2c9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_dd23fec8-7048-402a-918c-265fd64d3461" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_e9479340-4986-49e5-9ab5-c00d465fd2c9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_cf0d24e5-a64b-43ad-81d4-7123852bb8e9" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_e9479340-4986-49e5-9ab5-c00d465fd2c9" xlink:to="loc_srt_RangeAxis_cf0d24e5-a64b-43ad-81d4-7123852bb8e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_cf0d24e5-a64b-43ad-81d4-7123852bb8e9_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_cf0d24e5-a64b-43ad-81d4-7123852bb8e9" xlink:to="loc_srt_RangeMember_cf0d24e5-a64b-43ad-81d4-7123852bb8e9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_10d85894-1972-4722-95b1-27f5ca04ed78" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_cf0d24e5-a64b-43ad-81d4-7123852bb8e9" xlink:to="loc_srt_RangeMember_10d85894-1972-4722-95b1-27f5ca04ed78" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_7879704b-9198-413e-bbe6-d938ed22278a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_10d85894-1972-4722-95b1-27f5ca04ed78" xlink:to="loc_srt_MinimumMember_7879704b-9198-413e-bbe6-d938ed22278a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_62a2c1a7-cee1-49ca-a694-9abbc49779ed" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_10d85894-1972-4722-95b1-27f5ca04ed78" xlink:to="loc_srt_MaximumMember_62a2c1a7-cee1-49ca-a694-9abbc49779ed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_2f71780a-43fd-49c9-9086-93ec51f1992d" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_e9479340-4986-49e5-9ab5-c00d465fd2c9" xlink:to="loc_srt_StatementGeographicalAxis_2f71780a-43fd-49c9-9086-93ec51f1992d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_2f71780a-43fd-49c9-9086-93ec51f1992d_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_2f71780a-43fd-49c9-9086-93ec51f1992d" xlink:to="loc_srt_SegmentGeographicalDomain_2f71780a-43fd-49c9-9086-93ec51f1992d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_e1dfe9c7-9219-4546-93d5-b6bd96ee2951" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_2f71780a-43fd-49c9-9086-93ec51f1992d" xlink:to="loc_srt_SegmentGeographicalDomain_e1dfe9c7-9219-4546-93d5-b6bd96ee2951" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_ColumbusOhioMember_2f8d8005-7c58-4359-9459-581e0c7ec939" xlink:href="lxp-20210630.xsd#lxp_ColumbusOhioMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_e1dfe9c7-9219-4546-93d5-b6bd96ee2951" xlink:to="loc_lxp_ColumbusOhioMember_2f8d8005-7c58-4359-9459-581e0c7ec939" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnusualOrInfrequentItemAxis_d6ec4c34-2842-486a-b28a-41d21ced1e29" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnusualOrInfrequentItemAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_e9479340-4986-49e5-9ab5-c00d465fd2c9" xlink:to="loc_us-gaap_UnusualOrInfrequentItemAxis_d6ec4c34-2842-486a-b28a-41d21ced1e29" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnusualOrInfrequentItemDomain_d6ec4c34-2842-486a-b28a-41d21ced1e29_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnusualOrInfrequentItemDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_UnusualOrInfrequentItemAxis_d6ec4c34-2842-486a-b28a-41d21ced1e29" xlink:to="loc_us-gaap_UnusualOrInfrequentItemDomain_d6ec4c34-2842-486a-b28a-41d21ced1e29_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnusualOrInfrequentItemDomain_2eed145d-dcd9-4914-ad59-30f113090edf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnusualOrInfrequentItemDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_UnusualOrInfrequentItemAxis_d6ec4c34-2842-486a-b28a-41d21ced1e29" xlink:to="loc_us-gaap_UnusualOrInfrequentItemDomain_2eed145d-dcd9-4914-ad59-30f113090edf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_COVID19PandemicMember_0b5f7af7-32be-4031-9a4f-fa8e73ea7cc4" xlink:href="lxp-20210630.xsd#lxp_COVID19PandemicMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnusualOrInfrequentItemDomain_2eed145d-dcd9-4914-ad59-30f113090edf" xlink:to="loc_lxp_COVID19PandemicMember_0b5f7af7-32be-4031-9a4f-fa8e73ea7cc4" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/LeaseAccountingComponentsofLeaseExpenseDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#LeaseAccountingComponentsofLeaseExpenseDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/LeaseAccountingComponentsofLeaseExpenseDetails" xlink:type="extended" id="iaf0dd3c3898c4f228394ee2104ba6f44_LeaseAccountingComponentsofLeaseExpenseDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_0adb5865-6213-4e86-a5a6-f1f9d7725cd3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_c4bf1763-1b80-46d3-8e5c-232ea85c7a42" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_0adb5865-6213-4e86-a5a6-f1f9d7725cd3" xlink:to="loc_us-gaap_OperatingLeaseCost_c4bf1763-1b80-46d3-8e5c-232ea85c7a42" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_1a9fd239-5717-40ec-a6a7-d009f3bb743b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableLeaseCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_0adb5865-6213-4e86-a5a6-f1f9d7725cd3" xlink:to="loc_us-gaap_VariableLeaseCost_1a9fd239-5717-40ec-a6a7-d009f3bb743b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_ba991271-291f-4110-8bc0-1757f21dad9f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_0adb5865-6213-4e86-a5a6-f1f9d7725cd3" xlink:to="loc_us-gaap_LeaseCost_ba991271-291f-4110-8bc0-1757f21dad9f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_db1ef059-365d-488c-af4b-0bdb3cc6e3d0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_0adb5865-6213-4e86-a5a6-f1f9d7725cd3" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_db1ef059-365d-488c-af4b-0bdb3cc6e3d0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_78215913-2395-442a-83f3-02539c34b87a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_db1ef059-365d-488c-af4b-0bdb3cc6e3d0" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_78215913-2395-442a-83f3-02539c34b87a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_78215913-2395-442a-83f3-02539c34b87a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_78215913-2395-442a-83f3-02539c34b87a" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_78215913-2395-442a-83f3-02539c34b87a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_6ab67b84-0d88-47c5-9723-ee79bc30e338" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_78215913-2395-442a-83f3-02539c34b87a" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_6ab67b84-0d88-47c5-9723-ee79bc30e338" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenseMember_731458fd-2b62-4421-a757-55a28bfafb6c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_6ab67b84-0d88-47c5-9723-ee79bc30e338" xlink:to="loc_us-gaap_OperatingExpenseMember_731458fd-2b62-4421-a757-55a28bfafb6c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_55298e8b-c783-40f5-bd04-e517a88afb2b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_6ab67b84-0d88-47c5-9723-ee79bc30e338" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_55298e8b-c783-40f5-bd04-e517a88afb2b" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/EquityAdditionalInformationDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#EquityAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/EquityAdditionalInformationDetails" xlink:type="extended" id="i9f448fc8a33b4ebab9212109d8a3a356_EquityAdditionalInformationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:href="lxp-20210630.xsd#lxp_EquityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_4aaeb7d0-512c-4fb0-b29d-e86126aa914e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_4aaeb7d0-512c-4fb0-b29d-e86126aa914e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_204d0312-2a9c-4d2b-b056-9e6c5659325e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_204d0312-2a9c-4d2b-b056-9e6c5659325e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_CommonStockNumberOfSharesToBeSettledOnForwardBasis_a3619c22-7f44-44d9-9d55-164cf0da7ac6" xlink:href="lxp-20210630.xsd#lxp_CommonStockNumberOfSharesToBeSettledOnForwardBasis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_lxp_CommonStockNumberOfSharesToBeSettledOnForwardBasis_a3619c22-7f44-44d9-9d55-164cf0da7ac6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_CommonStockSharesToBeSettledOnForwardBasisAggregateValue_0a2f1a8b-edbb-4d46-892a-78d749d88f7b" xlink:href="lxp-20210630.xsd#lxp_CommonStockSharesToBeSettledOnForwardBasisAggregateValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_lxp_CommonStockSharesToBeSettledOnForwardBasisAggregateValue_0a2f1a8b-edbb-4d46-892a-78d749d88f7b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_SaleofStockAuthorizedAmount_fc0fa5b9-3e0c-44c7-b764-afe1da6506b0" xlink:href="lxp-20210630.xsd#lxp_SaleofStockAuthorizedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_lxp_SaleofStockAuthorizedAmount_fc0fa5b9-3e0c-44c7-b764-afe1da6506b0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_SaleofStockAmountAvailableforIssuance_2f4c1b1b-a4b8-441a-876f-e2e77dbb454e" xlink:href="lxp-20210630.xsd#lxp_SaleofStockAmountAvailableforIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_lxp_SaleofStockAmountAvailableforIssuance_2f4c1b1b-a4b8-441a-876f-e2e77dbb454e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPricePerShare_ed2cf0c9-a091-4852-82fe-307baa307aee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_SaleOfStockPricePerShare_ed2cf0c9-a091-4852-82fe-307baa307aee" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_15552efd-d496-4a51-8c65-ef23cc9aa74c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_15552efd-d496-4a51-8c65-ef23cc9aa74c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodTotalFairValue_481a344b-ed2d-45b2-b7d7-fd2327a9e743" xlink:href="lxp-20210630.xsd#lxp_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodTotalFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_lxp_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodTotalFairValue_481a344b-ed2d-45b2-b7d7-fd2327a9e743" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_968177a1-936b-4d98-aa77-d8a688ae3241" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_968177a1-936b-4d98-aa77-d8a688ae3241" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_cf37707a-cb68-4143-992f-879850ed0007" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_cf37707a-cb68-4143-992f-879850ed0007" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_77ce9cdc-e0b0-43d0-81c5-5f17bcf32c24" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_77ce9cdc-e0b0-43d0-81c5-5f17bcf32c24" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased_6db2af5d-9131-4f4a-bc08-56f00a245913" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased_6db2af5d-9131-4f4a-bc08-56f00a245913" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_936dd58c-5597-4775-927d-ff9989c79649" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_936dd58c-5597-4775-927d-ff9989c79649" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePerDollarAmount_90f109a4-80c0-4fcf-95ac-3a8c527abffe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockDividendRatePerDollarAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_PreferredStockDividendRatePerDollarAmount_90f109a4-80c0-4fcf-95ac-3a8c527abffe" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockLiquidationPreferenceValue_8049c3d5-37e0-4613-9979-3b8c340f74a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockLiquidationPreferenceValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_PreferredStockLiquidationPreferenceValue_8049c3d5-37e0-4613-9979-3b8c340f74a5" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion_c590ad23-2584-4500-8a28-1b97526ff651" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion_c590ad23-2584-4500-8a28-1b97526ff651" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_PreferredStockConversionThresholdConversionPricePercentage_423334f6-4983-46b6-ba54-4eda2502faf6" xlink:href="lxp-20210630.xsd#lxp_PreferredStockConversionThresholdConversionPricePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_lxp_PreferredStockConversionThresholdConversionPricePercentage_423334f6-4983-46b6-ba54-4eda2502faf6" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_PartnersCapitalEquivalentInCommonShares_468da6c7-5ac3-4b49-a4d5-40f3631164fe" xlink:href="lxp-20210630.xsd#lxp_PartnersCapitalEquivalentInCommonShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_lxp_PartnersCapitalEquivalentInCommonShares_468da6c7-5ac3-4b49-a4d5-40f3631164fe" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnersCapitalAccountUnits_93ca53da-c45c-4793-89d6-2ec114690846" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PartnersCapitalAccountUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_us-gaap_PartnersCapitalAccountUnits_93ca53da-c45c-4793-89d6-2ec114690846" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_EquityTable_a9f3598c-8610-4a50-8408-82d72db2feed" xlink:href="lxp-20210630.xsd#lxp_EquityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_lxp_EquityLineItems_74c50eb3-967d-44ac-8c43-664b78adb18f" xlink:to="loc_lxp_EquityTable_a9f3598c-8610-4a50-8408-82d72db2feed" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_d004b597-adae-42b4-bcc9-ac24734c4cec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lxp_EquityTable_a9f3598c-8610-4a50-8408-82d72db2feed" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_d004b597-adae-42b4-bcc9-ac24734c4cec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_d004b597-adae-42b4-bcc9-ac24734c4cec_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_d004b597-adae-42b4-bcc9-ac24734c4cec" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_d004b597-adae-42b4-bcc9-ac24734c4cec_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_1a9e1f0b-1fb6-45b4-977f-ba956cb231c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_d004b597-adae-42b4-bcc9-ac24734c4cec" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_1a9e1f0b-1fb6-45b4-977f-ba956cb231c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_AtTheMarketProgramMember_c33b9073-6fa7-4939-904b-25f0ff85e919" xlink:href="lxp-20210630.xsd#lxp_AtTheMarketProgramMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_1a9e1f0b-1fb6-45b4-977f-ba956cb231c7" xlink:to="loc_lxp_AtTheMarketProgramMember_c33b9073-6fa7-4939-904b-25f0ff85e919" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_UnderwrittenOfferingMember_cd14b54a-2a76-4f3a-92c5-a5fb2de19ed1" xlink:href="lxp-20210630.xsd#lxp_UnderwrittenOfferingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_1a9e1f0b-1fb6-45b4-977f-ba956cb231c7" xlink:to="loc_lxp_UnderwrittenOfferingMember_cd14b54a-2a76-4f3a-92c5-a5fb2de19ed1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_d13fe5bb-67da-4790-baa5-7916ee88b12a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lxp_EquityTable_a9f3598c-8610-4a50-8408-82d72db2feed" xlink:to="loc_us-gaap_AwardTypeAxis_d13fe5bb-67da-4790-baa5-7916ee88b12a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_d13fe5bb-67da-4790-baa5-7916ee88b12a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_d13fe5bb-67da-4790-baa5-7916ee88b12a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_d13fe5bb-67da-4790-baa5-7916ee88b12a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b1c9d0d7-af02-4ac8-bfdb-2a50a77ca8d0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_d13fe5bb-67da-4790-baa5-7916ee88b12a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b1c9d0d7-af02-4ac8-bfdb-2a50a77ca8d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockCompensationPlanMember_79931ec0-0d0a-4ef4-8dc6-fbf47dacd1b9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockCompensationPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b1c9d0d7-af02-4ac8-bfdb-2a50a77ca8d0" xlink:to="loc_us-gaap_StockCompensationPlanMember_79931ec0-0d0a-4ef4-8dc6-fbf47dacd1b9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_17124409-ee00-4265-bcf1-aabebd8e3d6a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lxp_EquityTable_a9f3598c-8610-4a50-8408-82d72db2feed" xlink:to="loc_us-gaap_FinancialInstrumentAxis_17124409-ee00-4265-bcf1-aabebd8e3d6a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_17124409-ee00-4265-bcf1-aabebd8e3d6a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_17124409-ee00-4265-bcf1-aabebd8e3d6a" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_17124409-ee00-4265-bcf1-aabebd8e3d6a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_087d6708-ef64-4fd7-a170-e492106a748f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_17124409-ee00-4265-bcf1-aabebd8e3d6a" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_087d6708-ef64-4fd7-a170-e492106a748f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractsMember_799ddc33-b68a-4806-9501-c1ae61fbe7f2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForwardContractsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_087d6708-ef64-4fd7-a170-e492106a748f" xlink:to="loc_us-gaap_ForwardContractsMember_799ddc33-b68a-4806-9501-c1ae61fbe7f2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_166094f2-f16f-4303-9ab5-dffcdd54c506" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lxp_EquityTable_a9f3598c-8610-4a50-8408-82d72db2feed" xlink:to="loc_us-gaap_StatementClassOfStockAxis_166094f2-f16f-4303-9ab5-dffcdd54c506" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_166094f2-f16f-4303-9ab5-dffcdd54c506_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_166094f2-f16f-4303-9ab5-dffcdd54c506" xlink:to="loc_us-gaap_ClassOfStockDomain_166094f2-f16f-4303-9ab5-dffcdd54c506_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_fa7ac36e-332d-48b2-8229-b9e9bf764887" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_166094f2-f16f-4303-9ab5-dffcdd54c506" xlink:to="loc_us-gaap_ClassOfStockDomain_fa7ac36e-332d-48b2-8229-b9e9bf764887" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesCPreferredStockMember_ce4cca7d-25a6-483d-894c-82f0db033e61" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesCPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fa7ac36e-332d-48b2-8229-b9e9bf764887" xlink:to="loc_us-gaap_SeriesCPreferredStockMember_ce4cca7d-25a6-483d-894c-82f0db033e61" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/EquityChangesinOtherComprehensiveIncomeDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#EquityChangesinOtherComprehensiveIncomeDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/EquityChangesinOtherComprehensiveIncomeDetails" xlink:type="extended" id="i6ed491426299433c87ec7cf9a5f8e16c_EquityChangesinOtherComprehensiveIncomeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_lxp_EquityLineItems_cad1bebe-58c1-41b3-b6c7-14b0ce5c280b" xlink:href="lxp-20210630.xsd#lxp_EquityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_5c317e13-b542-446a-a8de-37eb4551370b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lxp_EquityLineItems_cad1bebe-58c1-41b3-b6c7-14b0ce5c280b" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_5c317e13-b542-446a-a8de-37eb4551370b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_f09afa48-5299-402e-9927-05db1f91c813" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_5c317e13-b542-446a-a8de-37eb4551370b" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_f09afa48-5299-402e-9927-05db1f91c813" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_e0d77fa4-8d45-4874-96f0-a109dd76059d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_5c317e13-b542-446a-a8de-37eb4551370b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_e0d77fa4-8d45-4874-96f0-a109dd76059d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_3f7e1b52-ba95-4cb2-b83c-d4a2346118ad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_5c317e13-b542-446a-a8de-37eb4551370b" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_3f7e1b52-ba95-4cb2-b83c-d4a2346118ad" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_6403c015-666b-4c1b-87a3-62fac1aa5b9f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_EquityTable_76d288fe-1c4f-4048-adf7-8ebdfd1048ff" xlink:href="lxp-20210630.xsd#lxp_EquityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_lxp_EquityLineItems_cad1bebe-58c1-41b3-b6c7-14b0ce5c280b" xlink:to="loc_lxp_EquityTable_76d288fe-1c4f-4048-adf7-8ebdfd1048ff" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_c7415a47-bf16-44cb-bfa6-9a6d31f686c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lxp_EquityTable_76d288fe-1c4f-4048-adf7-8ebdfd1048ff" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_c7415a47-bf16-44cb-bfa6-9a6d31f686c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_c7415a47-bf16-44cb-bfa6-9a6d31f686c8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_c7415a47-bf16-44cb-bfa6-9a6d31f686c8" xlink:to="loc_us-gaap_EquityComponentDomain_c7415a47-bf16-44cb-bfa6-9a6d31f686c8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_29692694-b845-4a1f-a11b-abd15be13936" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_c7415a47-bf16-44cb-bfa6-9a6d31f686c8" xlink:to="loc_us-gaap_EquityComponentDomain_29692694-b845-4a1f-a11b-abd15be13936" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_624ad9f8-26fc-45ec-8636-f2f5fd0cf82f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_29692694-b845-4a1f-a11b-abd15be13936" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_624ad9f8-26fc-45ec-8636-f2f5fd0cf82f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember_e5511103-a177-4717-9723-7aac307005aa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_29692694-b845-4a1f-a11b-abd15be13936" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember_e5511103-a177-4717-9723-7aac307005aa" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#CommitmentsandContingenciesDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/CommitmentsandContingenciesDetails" xlink:type="extended" id="i93dc5a32bc074d59a9f20c8721db133a_CommitmentsandContingenciesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesLineItems_31d7e040-61ac-4552-bbd1-e4ee1ed607f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstatePropertiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NumberOfDevelopmentProjects_2adef1d4-761f-460f-848d-e6eb2edec2a6" xlink:href="lxp-20210630.xsd#lxp_NumberOfDevelopmentProjects"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_31d7e040-61ac-4552-bbd1-e4ee1ed607f1" xlink:to="loc_lxp_NumberOfDevelopmentProjects_2adef1d4-761f-460f-848d-e6eb2edec2a6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_RealEstateInvestmentPropertyEstimatedCost_2a34a3de-31fc-404e-a640-99a6885b72c8" xlink:href="lxp-20210630.xsd#lxp_RealEstateInvestmentPropertyEstimatedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_31d7e040-61ac-4552-bbd1-e4ee1ed607f1" xlink:to="loc_lxp_RealEstateInvestmentPropertyEstimatedCost_2a34a3de-31fc-404e-a640-99a6885b72c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_1b83f188-cf10-44a5-8858-c621c8837cd0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRealEstatePropertiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_31d7e040-61ac-4552-bbd1-e4ee1ed607f1" xlink:to="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_1b83f188-cf10-44a5-8858-c621c8837cd0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesAxis_c0440f4b-a46a-4ed5-a6f7-37a7071c2dca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstatePropertiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_1b83f188-cf10-44a5-8858-c621c8837cd0" xlink:to="loc_us-gaap_RealEstatePropertiesAxis_c0440f4b-a46a-4ed5-a6f7-37a7071c2dca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesDomain_c0440f4b-a46a-4ed5-a6f7-37a7071c2dca_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstatePropertiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstatePropertiesAxis_c0440f4b-a46a-4ed5-a6f7-37a7071c2dca" xlink:to="loc_us-gaap_RealEstatePropertiesDomain_c0440f4b-a46a-4ed5-a6f7-37a7071c2dca_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesDomain_fb5f22f1-2e80-4273-98c6-8f8f153a3f74" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstatePropertiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstatePropertiesAxis_c0440f4b-a46a-4ed5-a6f7-37a7071c2dca" xlink:to="loc_us-gaap_RealEstatePropertiesDomain_fb5f22f1-2e80-4273-98c6-8f8f153a3f74" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidatedPropertiesMember_9f6cb36d-25f0-460f-b0b3-753f45120e0e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConsolidatedPropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesDomain_fb5f22f1-2e80-4273-98c6-8f8f153a3f74" xlink:to="loc_us-gaap_ConsolidatedPropertiesMember_9f6cb36d-25f0-460f-b0b3-753f45120e0e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnconsolidatedPropertiesMember_a5ff48b9-f80b-4cab-90e9-27a62eb2736e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnconsolidatedPropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesDomain_fb5f22f1-2e80-4273-98c6-8f8f153a3f74" xlink:to="loc_us-gaap_UnconsolidatedPropertiesMember_a5ff48b9-f80b-4cab-90e9-27a62eb2736e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_2268cc0d-08ce-4e66-ae68-1494853ea1ad" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementScenarioAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_1b83f188-cf10-44a5-8858-c621c8837cd0" xlink:to="loc_srt_StatementScenarioAxis_2268cc0d-08ce-4e66-ae68-1494853ea1ad" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_2268cc0d-08ce-4e66-ae68-1494853ea1ad_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementScenarioAxis_2268cc0d-08ce-4e66-ae68-1494853ea1ad" xlink:to="loc_srt_ScenarioUnspecifiedDomain_2268cc0d-08ce-4e66-ae68-1494853ea1ad_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_0cd6ea53-4cc1-4917-b68b-5debba850896" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementScenarioAxis_2268cc0d-08ce-4e66-ae68-1494853ea1ad" xlink:to="loc_srt_ScenarioUnspecifiedDomain_0cd6ea53-4cc1-4917-b68b-5debba850896" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember_8ef74a99-cdc8-4fe7-b7d5-1a3c64151ef3" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScenarioForecastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ScenarioUnspecifiedDomain_0cd6ea53-4cc1-4917-b68b-5debba850896" xlink:to="loc_srt_ScenarioForecastMember_8ef74a99-cdc8-4fe7-b7d5-1a3c64151ef3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/SupplementalDisclosureofStatementofCashFlowInformationDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#SupplementalDisclosureofStatementofCashFlowInformationDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/SupplementalDisclosureofStatementofCashFlowInformationDetails" xlink:type="extended" id="i9ba7946393db444a9613ddd68e8b1145_SupplementalDisclosureofStatementofCashFlowInformationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherSignificantNoncashTransactionsLineItems_615bcb9f-3210-4e32-a427-986e373d0acc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherSignificantNoncashTransactionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet_65b3fdb8-d5b7-47e8-ab40-aaa70a931d79" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestPaidNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherSignificantNoncashTransactionsLineItems_615bcb9f-3210-4e32-a427-986e373d0acc" xlink:to="loc_us-gaap_InterestPaidNet_65b3fdb8-d5b7-47e8-ab40-aaa70a931d79" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_e8ded9f5-80d4-4893-9dc1-6e24be24869b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherSignificantNoncashTransactionsLineItems_615bcb9f-3210-4e32-a427-986e373d0acc" xlink:to="loc_us-gaap_IncomeTaxesPaidNet_e8ded9f5-80d4-4893-9dc1-6e24be24869b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferMortgagePayable_6fab5d48-3c4e-430d-8da7-c775c127d8f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransferMortgagePayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherSignificantNoncashTransactionsLineItems_615bcb9f-3210-4e32-a427-986e373d0acc" xlink:to="loc_us-gaap_TransferMortgagePayable_6fab5d48-3c4e-430d-8da7-c775c127d8f7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferOfOtherRealEstate_51eb85a6-1ea9-4c61-bc07-cfd0d24d3bb9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransferOfOtherRealEstate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherSignificantNoncashTransactionsLineItems_615bcb9f-3210-4e32-a427-986e373d0acc" xlink:to="loc_us-gaap_TransferOfOtherRealEstate_51eb85a6-1ea9-4c61-bc07-cfd0d24d3bb9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalLeaseObligationsIncurred_3d0e2ef5-342d-4838-ac15-57e90ee92fbd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CapitalLeaseObligationsIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherSignificantNoncashTransactionsLineItems_615bcb9f-3210-4e32-a427-986e373d0acc" xlink:to="loc_us-gaap_CapitalLeaseObligationsIncurred_3d0e2ef5-342d-4838-ac15-57e90ee92fbd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_7580320f-4169-4708-aebb-5c4fbe0669d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherSignificantNoncashTransactionsLineItems_615bcb9f-3210-4e32-a427-986e373d0acc" xlink:to="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_7580320f-4169-4708-aebb-5c4fbe0669d9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NoncashInvestmentNoncontrollingInterestLiabilityAssumed_213e8ff7-b04d-4e6d-a493-0d4ef503a125" xlink:href="lxp-20210630.xsd#lxp_NoncashInvestmentNoncontrollingInterestLiabilityAssumed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherSignificantNoncashTransactionsLineItems_615bcb9f-3210-4e32-a427-986e373d0acc" xlink:to="loc_lxp_NoncashInvestmentNoncontrollingInterestLiabilityAssumed_213e8ff7-b04d-4e6d-a493-0d4ef503a125" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NoncashInvestmentIncreasedInvestmentInRealEstateUnderConstruction_f289a644-fc9f-46ea-9abe-0e3051e34567" xlink:href="lxp-20210630.xsd#lxp_NoncashInvestmentIncreasedInvestmentInRealEstateUnderConstruction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherSignificantNoncashTransactionsLineItems_615bcb9f-3210-4e32-a427-986e373d0acc" xlink:to="loc_lxp_NoncashInvestmentIncreasedInvestmentInRealEstateUnderConstruction_f289a644-fc9f-46ea-9abe-0e3051e34567" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherSignificantNoncashTransactionsTable_39fe4d56-08ea-4223-afc2-0ade4380ac9d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherSignificantNoncashTransactionsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherSignificantNoncashTransactionsLineItems_615bcb9f-3210-4e32-a427-986e373d0acc" xlink:to="loc_us-gaap_OtherSignificantNoncashTransactionsTable_39fe4d56-08ea-4223-afc2-0ade4380ac9d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_6fa1e120-da69-4dc1-90d4-32b73cbebd07" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherSignificantNoncashTransactionsTable_39fe4d56-08ea-4223-afc2-0ade4380ac9d" xlink:to="loc_srt_StatementGeographicalAxis_6fa1e120-da69-4dc1-90d4-32b73cbebd07" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_6fa1e120-da69-4dc1-90d4-32b73cbebd07_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_6fa1e120-da69-4dc1-90d4-32b73cbebd07" xlink:to="loc_srt_SegmentGeographicalDomain_6fa1e120-da69-4dc1-90d4-32b73cbebd07_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_e6d876da-392d-43c8-a4f0-ad248c8745d2" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_6fa1e120-da69-4dc1-90d4-32b73cbebd07" xlink:to="loc_srt_SegmentGeographicalDomain_e6d876da-392d-43c8-a4f0-ad248c8745d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_SC_ac0b5fbc-bd79-43f9-9ce8-44fcb2b07123" xlink:href="https://xbrl.sec.gov/stpr/2021/stpr-2021.xsd#stpr_SC"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_e6d876da-392d-43c8-a4f0-ad248c8745d2" xlink:to="loc_stpr_SC_ac0b5fbc-bd79-43f9-9ce8-44fcb2b07123" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_OwensboroKentuckyMember_2d03f77d-73f5-4735-91a9-17602c3b1907" xlink:href="lxp-20210630.xsd#lxp_OwensboroKentuckyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_e6d876da-392d-43c8-a4f0-ad248c8745d2" xlink:to="loc_lxp_OwensboroKentuckyMember_2d03f77d-73f5-4735-91a9-17602c3b1907" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_c8924665-cc67-41f2-98ac-14e00dd6ae51" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherSignificantNoncashTransactionsTable_39fe4d56-08ea-4223-afc2-0ade4380ac9d" xlink:to="loc_srt_ConsolidatedEntitiesAxis_c8924665-cc67-41f2-98ac-14e00dd6ae51" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_c8924665-cc67-41f2-98ac-14e00dd6ae51_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_c8924665-cc67-41f2-98ac-14e00dd6ae51" xlink:to="loc_srt_ConsolidatedEntitiesDomain_c8924665-cc67-41f2-98ac-14e00dd6ae51_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_3ad58f9c-0d57-4575-8823-f5e30b8d3ac4" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_c8924665-cc67-41f2-98ac-14e00dd6ae51" xlink:to="loc_srt_ConsolidatedEntitiesDomain_3ad58f9c-0d57-4575-8823-f5e30b8d3ac4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_RROcala44LLCMember_a3ae950e-63da-48ca-aaa8-9ac06ee637f0" xlink:href="lxp-20210630.xsd#lxp_RROcala44LLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_3ad58f9c-0d57-4575-8823-f5e30b8d3ac4" xlink:to="loc_lxp_RROcala44LLCMember_a3ae950e-63da-48ca-aaa8-9ac06ee637f0" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.lxp.com/role/SubsequentEventsAdditionalInformationDetails" xlink:type="simple" xlink:href="lxp-20210630.xsd#SubsequentEventsAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.lxp.com/role/SubsequentEventsAdditionalInformationDetails" xlink:type="extended" id="i3361ddb0a5fa473f9cd8330bf4e77cdd_SubsequentEventsAdditionalInformationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_333ea5f4-7be9-4b72-b6e8-8f48a71294c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NumberOfRealEstatePropertiesAcquired_13551cd0-2a37-41ba-9756-76380bca6ef7" xlink:href="lxp-20210630.xsd#lxp_NumberOfRealEstatePropertiesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_333ea5f4-7be9-4b72-b6e8-8f48a71294c5" xlink:to="loc_lxp_NumberOfRealEstatePropertiesAcquired_13551cd0-2a37-41ba-9756-76380bca6ef7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireRealEstate_2752a1ae-8dd6-4873-a5aa-feb2bc0f29c4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireRealEstate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_333ea5f4-7be9-4b72-b6e8-8f48a71294c5" xlink:to="loc_us-gaap_PaymentsToAcquireRealEstate_2752a1ae-8dd6-4873-a5aa-feb2bc0f29c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_21c7ffcc-e7dd-4d3c-86ef-55c970ddb715" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_333ea5f4-7be9-4b72-b6e8-8f48a71294c5" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_21c7ffcc-e7dd-4d3c-86ef-55c970ddb715" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_RealEstateInvestmentPropertyEstimatedCost_9b00ee8e-42e8-4a3c-9075-45570a51f3af" xlink:href="lxp-20210630.xsd#lxp_RealEstateInvestmentPropertyEstimatedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_333ea5f4-7be9-4b72-b6e8-8f48a71294c5" xlink:to="loc_lxp_RealEstateInvestmentPropertyEstimatedCost_9b00ee8e-42e8-4a3c-9075-45570a51f3af" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_OperatingPartnershipUnitsRedeemed_4402a301-2c24-417e-9f89-ef466f55b557" xlink:href="lxp-20210630.xsd#lxp_OperatingPartnershipUnitsRedeemed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_333ea5f4-7be9-4b72-b6e8-8f48a71294c5" xlink:to="loc_lxp_OperatingPartnershipUnitsRedeemed_4402a301-2c24-417e-9f89-ef466f55b557" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_NumberOfPropertiesDisposed_df7dc12e-e05e-48fa-83ba-e82c7e341284" xlink:href="lxp-20210630.xsd#lxp_NumberOfPropertiesDisposed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_333ea5f4-7be9-4b72-b6e8-8f48a71294c5" xlink:to="loc_lxp_NumberOfPropertiesDisposed_df7dc12e-e05e-48fa-83ba-e82c7e341284" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_c6c046c2-f46b-44ba-a308-2526a70c5d40" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_333ea5f4-7be9-4b72-b6e8-8f48a71294c5" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_c6c046c2-f46b-44ba-a308-2526a70c5d40" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_1d6f9018-5cdd-4939-9e6a-b319a1d78285" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_333ea5f4-7be9-4b72-b6e8-8f48a71294c5" xlink:to="loc_us-gaap_SubsequentEventTable_1d6f9018-5cdd-4939-9e6a-b319a1d78285" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_f121d293-e06b-45d6-a754-1517374533c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_1d6f9018-5cdd-4939-9e6a-b319a1d78285" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_f121d293-e06b-45d6-a754-1517374533c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_f121d293-e06b-45d6-a754-1517374533c5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_f121d293-e06b-45d6-a754-1517374533c5" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_f121d293-e06b-45d6-a754-1517374533c5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_20647ec5-4bd0-43d5-afa1-afec931b74b1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_f121d293-e06b-45d6-a754-1517374533c5" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_20647ec5-4bd0-43d5-afa1-afec931b74b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_da1d94ab-3798-4a76-a6e0-90e97b98b9ed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_20647ec5-4bd0-43d5-afa1-afec931b74b1" xlink:to="loc_us-gaap_SubsequentEventMember_da1d94ab-3798-4a76-a6e0-90e97b98b9ed" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_86d68001-0705-4c5c-a5db-622b588e293c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_1d6f9018-5cdd-4939-9e6a-b319a1d78285" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_86d68001-0705-4c5c-a5db-622b588e293c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_86d68001-0705-4c5c-a5db-622b588e293c_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_86d68001-0705-4c5c-a5db-622b588e293c" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_86d68001-0705-4c5c-a5db-622b588e293c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_846c1fdf-382d-4f81-bc81-dccc6e05ce5a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_86d68001-0705-4c5c-a5db-622b588e293c" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_846c1fdf-382d-4f81-bc81-dccc6e05ce5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_IndustrialPropertyMember_132e43d5-1302-4161-acb0-328081bbba8e" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_IndustrialPropertyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_846c1fdf-382d-4f81-bc81-dccc6e05ce5a" xlink:to="loc_srt_IndustrialPropertyMember_132e43d5-1302-4161-acb0-328081bbba8e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_WarehouseMember_7418959f-0c9c-4a61-95a2-001ffb05b239" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_WarehouseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_846c1fdf-382d-4f81-bc81-dccc6e05ce5a" xlink:to="loc_srt_WarehouseMember_7418959f-0c9c-4a61-95a2-001ffb05b239" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_b1efafc4-3f19-42a5-a181-c500dd6030f3" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_1d6f9018-5cdd-4939-9e6a-b319a1d78285" xlink:to="loc_srt_StatementGeographicalAxis_b1efafc4-3f19-42a5-a181-c500dd6030f3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_b1efafc4-3f19-42a5-a181-c500dd6030f3_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_b1efafc4-3f19-42a5-a181-c500dd6030f3" xlink:to="loc_srt_SegmentGeographicalDomain_b1efafc4-3f19-42a5-a181-c500dd6030f3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_10713592-83f3-4616-9428-c4dfa90eef68" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_b1efafc4-3f19-42a5-a181-c500dd6030f3" xlink:to="loc_srt_SegmentGeographicalDomain_10713592-83f3-4616-9428-c4dfa90eef68" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_GreenvilleSpartanburgSouthCarolinaMember_64c3b860-5a49-4ff4-ba35-205ea055cf0b" xlink:href="lxp-20210630.xsd#lxp_GreenvilleSpartanburgSouthCarolinaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_10713592-83f3-4616-9428-c4dfa90eef68" xlink:to="loc_lxp_GreenvilleSpartanburgSouthCarolinaMember_64c3b860-5a49-4ff4-ba35-205ea055cf0b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_a0f22b10-673b-41a1-abe9-b11cfd8b104b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_1d6f9018-5cdd-4939-9e6a-b319a1d78285" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_a0f22b10-673b-41a1-abe9-b11cfd8b104b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_a0f22b10-673b-41a1-abe9-b11cfd8b104b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_a0f22b10-673b-41a1-abe9-b11cfd8b104b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_a0f22b10-673b-41a1-abe9-b11cfd8b104b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2787ca91-616e-481e-9191-25944fbb3fde" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_a0f22b10-673b-41a1-abe9-b11cfd8b104b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2787ca91-616e-481e-9191-25944fbb3fde" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_c3ef936f-40b4-4193-ba68-1cea4340d0dc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2787ca91-616e-481e-9191-25944fbb3fde" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_c3ef936f-40b4-4193-ba68-1cea4340d0dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_4ca13b5e-6b6f-4afc-ada7-69b72cbf4a7a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_1d6f9018-5cdd-4939-9e6a-b319a1d78285" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_4ca13b5e-6b6f-4afc-ada7-69b72cbf4a7a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4ca13b5e-6b6f-4afc-ada7-69b72cbf4a7a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_4ca13b5e-6b6f-4afc-ada7-69b72cbf4a7a" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4ca13b5e-6b6f-4afc-ada7-69b72cbf4a7a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_dd3a54a3-c743-4f14-a1c4-d95f7fc7b79b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_4ca13b5e-6b6f-4afc-ada7-69b72cbf4a7a" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_dd3a54a3-c743-4f14-a1c4-d95f7fc7b79b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lxp_DispositionOfNonIndustrialPropertiesMember_3782b6f3-ea1d-4641-b60f-a452098d2d5c" xlink:href="lxp-20210630.xsd#lxp_DispositionOfNonIndustrialPropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_dd3a54a3-c743-4f14-a1c4-d95f7fc7b79b" xlink:to="loc_lxp_DispositionOfNonIndustrialPropertiesMember_3782b6f3-ea1d-4641-b60f-a452098d2d5c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_1bd334f6-a9f1-4ef9-9180-e086ee496926" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_1d6f9018-5cdd-4939-9e6a-b319a1d78285" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_1bd334f6-a9f1-4ef9-9180-e086ee496926" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_1bd334f6-a9f1-4ef9-9180-e086ee496926_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_1bd334f6-a9f1-4ef9-9180-e086ee496926" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_1bd334f6-a9f1-4ef9-9180-e086ee496926_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_7c1d3e06-ab71-4851-b7fa-2431c168248c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_1bd334f6-a9f1-4ef9-9180-e086ee496926" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_7c1d3e06-ab71-4851-b7fa-2431c168248c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_61a1e532-1915-4af8-b2dc-7966f2205820" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_7c1d3e06-ab71-4851-b7fa-2431c168248c" xlink:to="loc_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_61a1e532-1915-4af8-b2dc-7966f2205820" xlink:type="arc" order="0"/>
  </link:definitionLink>
</link:linkbase>
