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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:df34763a-04ab-4b43-bb87-23ae1770daef,g:d67ce070-9bc6-4bad-8c29-8e1b572a9afa-->
<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.tutorperini.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="simple" xlink:href="tpc-20250331.xsd#CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_23bd6940-98ad-4430-b89b-b50c19979d1b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_StatementTable_23bd6940-98ad-4430-b89b-b50c19979d1b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_d744ee4a-e362-4d79-9842-090eb456dd86" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_23bd6940-98ad-4430-b89b-b50c19979d1b" xlink:to="loc_srt_ConsolidatedEntitiesAxis_d744ee4a-e362-4d79-9842-090eb456dd86" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_d744ee4a-e362-4d79-9842-090eb456dd86_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_d744ee4a-e362-4d79-9842-090eb456dd86" xlink:to="loc_srt_ConsolidatedEntitiesDomain_d744ee4a-e362-4d79-9842-090eb456dd86_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_fc919ec8-8a54-49de-ac2c-ae08d24d2f65" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_d744ee4a-e362-4d79-9842-090eb456dd86" xlink:to="loc_srt_ConsolidatedEntitiesDomain_fc919ec8-8a54-49de-ac2c-ae08d24d2f65" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_05b8eac2-04a8-4526-88d5-c0b5c8c930ed" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_fc919ec8-8a54-49de-ac2c-ae08d24d2f65" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_05b8eac2-04a8-4526-88d5-c0b5c8c930ed" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c8e5107d-a44f-429d-aac1-09995c873bfd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c8e5107d-a44f-429d-aac1-09995c873bfd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesNetCurrent_ecf7f260-8182-4f7b-aa56-2691d5a9308c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReceivablesNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_ReceivablesNetCurrent_ecf7f260-8182-4f7b-aa56-2691d5a9308c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionContractorReceivableRetainage_f205b675-65b3-4b05-90c6-f3d4a8ab0ddf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConstructionContractorReceivableRetainage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_ConstructionContractorReceivableRetainage_f205b675-65b3-4b05-90c6-f3d4a8ab0ddf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_d37b5ab3-2bfa-4e08-b042-1317a4511bbd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_d37b5ab3-2bfa-4e08-b042-1317a4511bbd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_8fde0423-881b-4a65-abb1-4b4a12b8f414" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_OtherAssetsCurrent_8fde0423-881b-4a65-abb1-4b4a12b8f414" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_4c1bdc59-fb76-4a54-bb50-e1b04f668503" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_4c1bdc59-fb76-4a54-bb50-e1b04f668503" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_a6acc7b7-3f15-4abe-8c61-8b5e9a70f16b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_a6acc7b7-3f15-4abe-8c61-8b5e9a70f16b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_63a21f6f-d817-468a-a833-6883d33d7541" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_AccountsPayableCurrent_63a21f6f-d817-468a-a833-6883d33d7541" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_ContractPayableRetainage_4cb385f7-5b05-40cc-af67-8e849cbf7622" xlink:href="tpc-20250331.xsd#tpc_ContractPayableRetainage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_tpc_ContractPayableRetainage_4cb385f7-5b05-40cc-af67-8e849cbf7622" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_11aeece0-107e-40e8-b4a5-2457483c2f2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_11aeece0-107e-40e8-b4a5-2457483c2f2c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_a7201e84-98d7-40e6-ab19-50fd88e90988" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_a7201e84-98d7-40e6-ab19-50fd88e90988" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNonCurrent_ce345705-36b4-4f49-8671-4e45f6b883e1" xlink:href="tpc-20250331.xsd#tpc_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNonCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_tpc_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNonCurrent_ce345705-36b4-4f49-8671-4e45f6b883e1" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_222bbbba-4c84-4aab-890d-6e05315c35c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_222bbbba-4c84-4aab-890d-6e05315c35c4" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_ddb4aab5-05b0-4925-9448-79a8fe700d2e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_ddb4aab5-05b0-4925-9448-79a8fe700d2e" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_be88d497-c467-4b51-a103-c0cdd972fc0a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_PreferredStockSharesIssued_be88d497-c467-4b51-a103-c0cdd972fc0a" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_9528ee4b-49ad-4d94-84b2-f8dbd10eb8b6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_9528ee4b-49ad-4d94-84b2-f8dbd10eb8b6" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_0d7f9c19-5aa9-455f-9f8d-ff8978b8eb00" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_0d7f9c19-5aa9-455f-9f8d-ff8978b8eb00" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_5e824fba-fe3b-4eae-9ba7-fad4e528955b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_CommonStockSharesIssued_5e824fba-fe3b-4eae-9ba7-fad4e528955b" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_128b2b07-30bd-45ab-9972-a718192d25ab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e34ad19-7d35-4304-85f9-6aa01c10d65a" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_128b2b07-30bd-45ab-9972-a718192d25ab" xlink:type="arc" order="18"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/RevenueScheduleofDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#RevenueScheduleofDisaggregationofRevenueDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/RevenueScheduleofDisaggregationofRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_3931d840-3e91-4f98-9e19-8391951d811f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_e91be5ab-6c92-4fb5-becd-151cb0d8e420" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_3931d840-3e91-4f98-9e19-8391951d811f" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_e91be5ab-6c92-4fb5-becd-151cb0d8e420" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_37b6fb25-db61-485d-8bab-646a12fa38cb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_e91be5ab-6c92-4fb5-becd-151cb0d8e420" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_37b6fb25-db61-485d-8bab-646a12fa38cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_37b6fb25-db61-485d-8bab-646a12fa38cb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_37b6fb25-db61-485d-8bab-646a12fa38cb" xlink:to="loc_us-gaap_SegmentDomain_37b6fb25-db61-485d-8bab-646a12fa38cb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_e1078391-9f01-44d4-b3d7-8fa7bb9e0e26" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_37b6fb25-db61-485d-8bab-646a12fa38cb" xlink:to="loc_us-gaap_SegmentDomain_e1078391-9f01-44d4-b3d7-8fa7bb9e0e26" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CivilMember_604cc6ee-8931-4a81-b2fa-a06f44cd1a47" xlink:href="tpc-20250331.xsd#tpc_CivilMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_e1078391-9f01-44d4-b3d7-8fa7bb9e0e26" xlink:to="loc_tpc_CivilMember_604cc6ee-8931-4a81-b2fa-a06f44cd1a47" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_BuildingGroupMember_56407c96-2e3c-4e82-be76-6dc9b26f6d49" xlink:href="tpc-20250331.xsd#tpc_BuildingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_e1078391-9f01-44d4-b3d7-8fa7bb9e0e26" xlink:to="loc_tpc_BuildingGroupMember_56407c96-2e3c-4e82-be76-6dc9b26f6d49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_SpecialtyContractorsMember_37770fec-576b-48b0-8b30-12a224d3fe67" xlink:href="tpc-20250331.xsd#tpc_SpecialtyContractorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_e1078391-9f01-44d4-b3d7-8fa7bb9e0e26" xlink:to="loc_tpc_SpecialtyContractorsMember_37770fec-576b-48b0-8b30-12a224d3fe67" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_1c2ad889-caf3-4e41-96ae-dcc322590ea0" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_e91be5ab-6c92-4fb5-becd-151cb0d8e420" xlink:to="loc_srt_ProductOrServiceAxis_1c2ad889-caf3-4e41-96ae-dcc322590ea0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_1c2ad889-caf3-4e41-96ae-dcc322590ea0_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_1c2ad889-caf3-4e41-96ae-dcc322590ea0" xlink:to="loc_srt_ProductsAndServicesDomain_1c2ad889-caf3-4e41-96ae-dcc322590ea0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_1c2ad889-caf3-4e41-96ae-dcc322590ea0" xlink:to="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_MassTransitMember_c7184454-8850-4c08-b34f-afe418949d64" xlink:href="tpc-20250331.xsd#tpc_MassTransitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:to="loc_tpc_MassTransitMember_c7184454-8850-4c08-b34f-afe418949d64" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_MilitaryFacilitiesMember_626d683e-4f84-4c09-abf4-43e68bc1fa4a" xlink:href="tpc-20250331.xsd#tpc_MilitaryFacilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:to="loc_tpc_MilitaryFacilitiesMember_626d683e-4f84-4c09-abf4-43e68bc1fa4a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_BridgesMember_5afad2be-2b02-44b1-9f32-698f7507615c" xlink:href="tpc-20250331.xsd#tpc_BridgesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:to="loc_tpc_BridgesMember_5afad2be-2b02-44b1-9f32-698f7507615c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DetentionFacilitiesMember_c386dbb9-ed41-406d-9797-ea5de8588266" xlink:href="tpc-20250331.xsd#tpc_DetentionFacilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:to="loc_tpc_DetentionFacilitiesMember_c386dbb9-ed41-406d-9797-ea5de8588266" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_PowerAndEnergyMember_6586462e-f145-40d0-90cc-7fce95efd94b" xlink:href="tpc-20250331.xsd#tpc_PowerAndEnergyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:to="loc_tpc_PowerAndEnergyMember_6586462e-f145-40d0-90cc-7fce95efd94b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CommercialAndIndustrialFacilitiesMember_95d132f8-4a91-4463-b488-fe66a54c6c42" xlink:href="tpc-20250331.xsd#tpc_CommercialAndIndustrialFacilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:to="loc_tpc_CommercialAndIndustrialFacilitiesMember_95d132f8-4a91-4463-b488-fe66a54c6c42" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_OtherMember_bdf93881-190a-4882-af6c-92e64004f19b" xlink:href="tpc-20250331.xsd#tpc_OtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:to="loc_tpc_OtherMember_bdf93881-190a-4882-af6c-92e64004f19b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_MultiUnitResidentialMember_dc04f402-9fd8-46c0-ae52-5c6786c42a28" xlink:href="tpc-20250331.xsd#tpc_MultiUnitResidentialMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:to="loc_tpc_MultiUnitResidentialMember_dc04f402-9fd8-46c0-ae52-5c6786c42a28" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_HealthcareFacilitiesMember_5c1a8c8d-2beb-4a8d-9dd7-872b5aa0cbe2" xlink:href="tpc-20250331.xsd#tpc_HealthcareFacilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:to="loc_tpc_HealthcareFacilitiesMember_5c1a8c8d-2beb-4a8d-9dd7-872b5aa0cbe2" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GovernmentContractMember_442ce267-2dd4-4fdb-a9c6-a979ebbf1931" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GovernmentContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:to="loc_us-gaap_GovernmentContractMember_442ce267-2dd4-4fdb-a9c6-a979ebbf1931" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_EducationFacilitiesMember_0499bab3-669c-49ea-9e26-310a0eccd24f" xlink:href="tpc-20250331.xsd#tpc_EducationFacilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:to="loc_tpc_EducationFacilitiesMember_0499bab3-669c-49ea-9e26-310a0eccd24f" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_WaterMember_a1b56818-0fcc-4dc9-90ee-fb287a4ce07a" xlink:href="tpc-20250331.xsd#tpc_WaterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e3024b4a-6146-49ae-a743-d73363b2932f" xlink:to="loc_tpc_WaterMember_a1b56818-0fcc-4dc9-90ee-fb287a4ce07a" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_c2ba48c5-81b8-49f0-9740-ac210f7f6177" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_e91be5ab-6c92-4fb5-becd-151cb0d8e420" xlink:to="loc_srt_MajorCustomersAxis_c2ba48c5-81b8-49f0-9740-ac210f7f6177" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_c2ba48c5-81b8-49f0-9740-ac210f7f6177_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_c2ba48c5-81b8-49f0-9740-ac210f7f6177" xlink:to="loc_srt_NameOfMajorCustomerDomain_c2ba48c5-81b8-49f0-9740-ac210f7f6177_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_cdd48c82-e4c5-4637-9645-c586624f4f9c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_c2ba48c5-81b8-49f0-9740-ac210f7f6177" xlink:to="loc_srt_NameOfMajorCustomerDomain_cdd48c82-e4c5-4637-9645-c586624f4f9c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_StateAndLocalAgenciesMember_15c391ed-eef3-4bca-9c9b-6f9ddf662f2c" xlink:href="tpc-20250331.xsd#tpc_StateAndLocalAgenciesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_cdd48c82-e4c5-4637-9645-c586624f4f9c" xlink:to="loc_tpc_StateAndLocalAgenciesMember_15c391ed-eef3-4bca-9c9b-6f9ddf662f2c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_FederalAgenciesMember_c19be94b-24f7-4552-8a76-c1293821565a" xlink:href="tpc-20250331.xsd#tpc_FederalAgenciesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_cdd48c82-e4c5-4637-9645-c586624f4f9c" xlink:to="loc_tpc_FederalAgenciesMember_c19be94b-24f7-4552-8a76-c1293821565a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_PrivateOwnersMember_965c1986-a3cb-459d-8796-eb71de0e44bc" xlink:href="tpc-20250331.xsd#tpc_PrivateOwnersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_cdd48c82-e4c5-4637-9645-c586624f4f9c" xlink:to="loc_tpc_PrivateOwnersMember_965c1986-a3cb-459d-8796-eb71de0e44bc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_79b3b031-3461-4d8b-b1f8-69cda586508b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_3931d840-3e91-4f98-9e19-8391951d811f" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_79b3b031-3461-4d8b-b1f8-69cda586508b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/RevenueScheduleofRevenuebyContractTypeDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#RevenueScheduleofRevenuebyContractTypeDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/RevenueScheduleofRevenuebyContractTypeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_2c76fa5b-f2ae-41f3-8f40-5ae5a47eb216" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_85600c30-a839-4842-b643-30c656169446" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_2c76fa5b-f2ae-41f3-8f40-5ae5a47eb216" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_85600c30-a839-4842-b643-30c656169446" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_9647816e-63f9-4053-a182-9b9a2908d4fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_85600c30-a839-4842-b643-30c656169446" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_9647816e-63f9-4053-a182-9b9a2908d4fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_9647816e-63f9-4053-a182-9b9a2908d4fa_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9647816e-63f9-4053-a182-9b9a2908d4fa" xlink:to="loc_us-gaap_SegmentDomain_9647816e-63f9-4053-a182-9b9a2908d4fa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_c3d0aaed-2b91-41b7-9456-4e26dbd5f866" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9647816e-63f9-4053-a182-9b9a2908d4fa" xlink:to="loc_us-gaap_SegmentDomain_c3d0aaed-2b91-41b7-9456-4e26dbd5f866" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CivilMember_4f3640bc-8f89-4b75-a439-e1c80dc28647" xlink:href="tpc-20250331.xsd#tpc_CivilMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_c3d0aaed-2b91-41b7-9456-4e26dbd5f866" xlink:to="loc_tpc_CivilMember_4f3640bc-8f89-4b75-a439-e1c80dc28647" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_BuildingGroupMember_f1643a93-e159-485f-b98d-32bb93b8d6f0" xlink:href="tpc-20250331.xsd#tpc_BuildingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_c3d0aaed-2b91-41b7-9456-4e26dbd5f866" xlink:to="loc_tpc_BuildingGroupMember_f1643a93-e159-485f-b98d-32bb93b8d6f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_SpecialtyContractorsMember_b127e9cc-5ac6-48bc-90bc-e8960ddf18b6" xlink:href="tpc-20250331.xsd#tpc_SpecialtyContractorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_c3d0aaed-2b91-41b7-9456-4e26dbd5f866" xlink:to="loc_tpc_SpecialtyContractorsMember_b127e9cc-5ac6-48bc-90bc-e8960ddf18b6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerBasisOfPricingAxis_73be407d-a4ce-4e86-af8c-8b6c0ec25c96" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerBasisOfPricingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_85600c30-a839-4842-b643-30c656169446" xlink:to="loc_us-gaap_ContractWithCustomerBasisOfPricingAxis_73be407d-a4ce-4e86-af8c-8b6c0ec25c96" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_73be407d-a4ce-4e86-af8c-8b6c0ec25c96_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerBasisOfPricingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ContractWithCustomerBasisOfPricingAxis_73be407d-a4ce-4e86-af8c-8b6c0ec25c96" xlink:to="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_73be407d-a4ce-4e86-af8c-8b6c0ec25c96_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_989e3187-5deb-4976-b3ec-acc2317adbe1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerBasisOfPricingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ContractWithCustomerBasisOfPricingAxis_73be407d-a4ce-4e86-af8c-8b6c0ec25c96" xlink:to="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_989e3187-5deb-4976-b3ec-acc2317adbe1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FixedPriceContractMember_c8b7dca6-5ff0-48dc-97f6-11c292295e40" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FixedPriceContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_989e3187-5deb-4976-b3ec-acc2317adbe1" xlink:to="loc_us-gaap_FixedPriceContractMember_c8b7dca6-5ff0-48dc-97f6-11c292295e40" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_GuaranteedMaximumPriceMember_9b1d3aba-eba7-403e-b6eb-65c97f8d38e6" xlink:href="tpc-20250331.xsd#tpc_GuaranteedMaximumPriceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_989e3187-5deb-4976-b3ec-acc2317adbe1" xlink:to="loc_tpc_GuaranteedMaximumPriceMember_9b1d3aba-eba7-403e-b6eb-65c97f8d38e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_UnitPriceMember_2aabd022-db87-466a-addf-b4680e75c8e1" xlink:href="tpc-20250331.xsd#tpc_UnitPriceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_989e3187-5deb-4976-b3ec-acc2317adbe1" xlink:to="loc_tpc_UnitPriceMember_2aabd022-db87-466a-addf-b4680e75c8e1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CostPlusFeeAndOtherMember_331a7811-3c30-42ff-b535-8e789c00f7d7" xlink:href="tpc-20250331.xsd#tpc_CostPlusFeeAndOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_989e3187-5deb-4976-b3ec-acc2317adbe1" xlink:to="loc_tpc_CostPlusFeeAndOtherMember_331a7811-3c30-42ff-b535-8e789c00f7d7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_201467bd-2bb8-4cf5-b1fc-7ea3b613a35f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_2c76fa5b-f2ae-41f3-8f40-5ae5a47eb216" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_201467bd-2bb8-4cf5-b1fc-7ea3b613a35f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/RevenueNarrativeDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#RevenueNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/RevenueNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_417c9390-0099-4ab4-92ca-82f017bcd943" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_71f839e8-8e88-4c7c-aaec-a93aa620a1d9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_417c9390-0099-4ab4-92ca-82f017bcd943" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_71f839e8-8e88-4c7c-aaec-a93aa620a1d9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_0fd6e94a-12ff-474f-b866-846afe140793" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_71f839e8-8e88-4c7c-aaec-a93aa620a1d9" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_0fd6e94a-12ff-474f-b866-846afe140793" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_0fd6e94a-12ff-474f-b866-846afe140793_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_0fd6e94a-12ff-474f-b866-846afe140793" xlink:to="loc_us-gaap_SegmentDomain_0fd6e94a-12ff-474f-b866-846afe140793_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_490030fe-3e19-4d78-a58d-f62b90dae4e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_0fd6e94a-12ff-474f-b866-846afe140793" xlink:to="loc_us-gaap_SegmentDomain_490030fe-3e19-4d78-a58d-f62b90dae4e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CivilMember_84232080-d54e-4787-8555-198d1876dbba" xlink:href="tpc-20250331.xsd#tpc_CivilMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_490030fe-3e19-4d78-a58d-f62b90dae4e5" xlink:to="loc_tpc_CivilMember_84232080-d54e-4787-8555-198d1876dbba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_BuildingAndSpecialtyContractorsMember_7a33be17-e4e6-43be-9fdc-409a0bd8bcde" xlink:href="tpc-20250331.xsd#tpc_BuildingAndSpecialtyContractorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_490030fe-3e19-4d78-a58d-f62b90dae4e5" xlink:to="loc_tpc_BuildingAndSpecialtyContractorsMember_7a33be17-e4e6-43be-9fdc-409a0bd8bcde" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_BuildingGroupMember_cd968a18-4684-40af-8728-0f58d90d5ee8" xlink:href="tpc-20250331.xsd#tpc_BuildingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_BuildingAndSpecialtyContractorsMember_7a33be17-e4e6-43be-9fdc-409a0bd8bcde" xlink:to="loc_tpc_BuildingGroupMember_cd968a18-4684-40af-8728-0f58d90d5ee8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_SpecialtyContractorsMember_26caa45b-2437-469f-a457-894edfb5bf7d" xlink:href="tpc-20250331.xsd#tpc_SpecialtyContractorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_BuildingAndSpecialtyContractorsMember_7a33be17-e4e6-43be-9fdc-409a0bd8bcde" xlink:to="loc_tpc_SpecialtyContractorsMember_26caa45b-2437-469f-a457-894edfb5bf7d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_4864ec71-d633-4fbc-bb19-3081340c4a9a" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_71f839e8-8e88-4c7c-aaec-a93aa620a1d9" xlink:to="loc_srt_RangeAxis_4864ec71-d633-4fbc-bb19-3081340c4a9a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_4864ec71-d633-4fbc-bb19-3081340c4a9a_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_4864ec71-d633-4fbc-bb19-3081340c4a9a" xlink:to="loc_srt_RangeMember_4864ec71-d633-4fbc-bb19-3081340c4a9a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b7058489-ddcd-44d9-8c0a-fbf1e6e9c831" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_4864ec71-d633-4fbc-bb19-3081340c4a9a" xlink:to="loc_srt_RangeMember_b7058489-ddcd-44d9-8c0a-fbf1e6e9c831" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_2cfb5688-d189-4017-8ff6-e58f5a410ab0" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_b7058489-ddcd-44d9-8c0a-fbf1e6e9c831" xlink:to="loc_srt_MinimumMember_2cfb5688-d189-4017-8ff6-e58f5a410ab0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_91247837-8b18-40f4-8961-8015788887bd" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_b7058489-ddcd-44d9-8c0a-fbf1e6e9c831" xlink:to="loc_srt_MaximumMember_91247837-8b18-40f4-8961-8015788887bd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod_747442a6-1566-4a64-96ab-1361f7d368c6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_417c9390-0099-4ab4-92ca-82f017bcd943" xlink:to="loc_us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod_747442a6-1566-4a64-96ab-1361f7d368c6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_cc23965e-8e2a-4aec-959a-bcf3ca61dc21" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_417c9390-0099-4ab4-92ca-82f017bcd943" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_cc23965e-8e2a-4aec-959a-bcf3ca61dc21" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriodRange_1319b74f-2073-4d8c-a988-bb5659b8234d" xlink:href="tpc-20250331.xsd#tpc_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriodRange"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_417c9390-0099-4ab4-92ca-82f017bcd943" xlink:to="loc_tpc_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriodRange_1319b74f-2073-4d8c-a988-bb5659b8234d" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/CashCashEquivalentsandRestrictedCashDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#CashCashEquivalentsandRestrictedCashDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/CashCashEquivalentsandRestrictedCashDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsLineItems_22125a44-a13a-4fdf-9e96-4b947daa1948" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_a6e7a54d-93ac-43c1-a554-d5926980a760" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfCashAndCashEquivalentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_22125a44-a13a-4fdf-9e96-4b947daa1948" xlink:to="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_a6e7a54d-93ac-43c1-a554-d5926980a760" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_099a0a52-ec0c-42a1-aeab-c707bd76855b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_a6e7a54d-93ac-43c1-a554-d5926980a760" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_099a0a52-ec0c-42a1-aeab-c707bd76855b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_099a0a52-ec0c-42a1-aeab-c707bd76855b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_099a0a52-ec0c-42a1-aeab-c707bd76855b" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_099a0a52-ec0c-42a1-aeab-c707bd76855b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_bfff472d-19b8-469c-a511-072a511a80e8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_099a0a52-ec0c-42a1-aeab-c707bd76855b" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_bfff472d-19b8-469c-a511-072a511a80e8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_ConsolidatedEntityExcludingJointVentureMember_c7dbe0b6-3c88-4f7d-aad8-9a4b8e0e0473" xlink:href="tpc-20250331.xsd#tpc_ConsolidatedEntityExcludingJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_bfff472d-19b8-469c-a511-072a511a80e8" xlink:to="loc_tpc_ConsolidatedEntityExcludingJointVentureMember_c7dbe0b6-3c88-4f7d-aad8-9a4b8e0e0473" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_55078d9c-2c94-41e7-b33d-832732f90804" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_a6e7a54d-93ac-43c1-a554-d5926980a760" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_55078d9c-2c94-41e7-b33d-832732f90804" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_55078d9c-2c94-41e7-b33d-832732f90804_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_55078d9c-2c94-41e7-b33d-832732f90804" xlink:to="loc_us-gaap_RelatedPartyDomain_55078d9c-2c94-41e7-b33d-832732f90804_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_25ba6782-e5cc-4261-9a96-ef24cd2a491f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_55078d9c-2c94-41e7-b33d-832732f90804" xlink:to="loc_us-gaap_RelatedPartyDomain_25ba6782-e5cc-4261-9a96-ef24cd2a491f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateJointVentureMember_6794343f-1595-4dd5-b5fa-7c4f97691bf2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_25ba6782-e5cc-4261-9a96-ef24cd2a491f" xlink:to="loc_us-gaap_CorporateJointVentureMember_6794343f-1595-4dd5-b5fa-7c4f97691bf2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_eb65d22c-22b9-471a-96ee-13bc8db768db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_22125a44-a13a-4fdf-9e96-4b947daa1948" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_eb65d22c-22b9-471a-96ee-13bc8db768db" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_74416c8d-2a3a-40c6-a708-243c1aa98039" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_22125a44-a13a-4fdf-9e96-4b947daa1948" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_74416c8d-2a3a-40c6-a708-243c1aa98039" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_7316d27d-a31d-46f9-9143-81f0883aea8e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_22125a44-a13a-4fdf-9e96-4b947daa1948" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_7316d27d-a31d-46f9-9143-81f0883aea8e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/GoodwillandIntangibleAssetsScheduleofChangesinCarryingAmountofGoodwillDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#GoodwillandIntangibleAssetsScheduleofChangesinCarryingAmountofGoodwillDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/GoodwillandIntangibleAssetsScheduleofChangesinCarryingAmountofGoodwillDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_9071e1d4-c4b6-4146-9876-958b806599ee" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_c68b642d-5d8f-45ea-92a2-70bfe80cb296" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfGoodwillTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_9071e1d4-c4b6-4146-9876-958b806599ee" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_c68b642d-5d8f-45ea-92a2-70bfe80cb296" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_e6f51ee1-1c5e-48c1-ab16-f5dd5a52d645" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_c68b642d-5d8f-45ea-92a2-70bfe80cb296" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_e6f51ee1-1c5e-48c1-ab16-f5dd5a52d645" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_e6f51ee1-1c5e-48c1-ab16-f5dd5a52d645_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_e6f51ee1-1c5e-48c1-ab16-f5dd5a52d645" xlink:to="loc_us-gaap_SegmentDomain_e6f51ee1-1c5e-48c1-ab16-f5dd5a52d645_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_5ebbe66d-4005-4b2c-bb5f-62b4b51452c1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_e6f51ee1-1c5e-48c1-ab16-f5dd5a52d645" xlink:to="loc_us-gaap_SegmentDomain_5ebbe66d-4005-4b2c-bb5f-62b4b51452c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CivilMember_d935e593-be80-49fb-a9b9-c10c161258c3" xlink:href="tpc-20250331.xsd#tpc_CivilMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_5ebbe66d-4005-4b2c-bb5f-62b4b51452c1" xlink:to="loc_tpc_CivilMember_d935e593-be80-49fb-a9b9-c10c161258c3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_BuildingGroupMember_cee1d2bd-609c-426b-9c72-13900dd9c148" xlink:href="tpc-20250331.xsd#tpc_BuildingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_5ebbe66d-4005-4b2c-bb5f-62b4b51452c1" xlink:to="loc_tpc_BuildingGroupMember_cee1d2bd-609c-426b-9c72-13900dd9c148" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_SpecialtyContractorsMember_4241cbbc-4601-4f4c-9505-336b189bf49f" xlink:href="tpc-20250331.xsd#tpc_SpecialtyContractorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_5ebbe66d-4005-4b2c-bb5f-62b4b51452c1" xlink:to="loc_tpc_SpecialtyContractorsMember_4241cbbc-4601-4f4c-9505-336b189bf49f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillGross_d55ffef7-9a84-4cd1-9126-b299fac556f3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_9071e1d4-c4b6-4146-9876-958b806599ee" xlink:to="loc_us-gaap_GoodwillGross_d55ffef7-9a84-4cd1-9126-b299fac556f3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_443b4915-15f4-4e94-b195-f4ef28a28f24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_9071e1d4-c4b6-4146-9876-958b806599ee" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_443b4915-15f4-4e94-b195-f4ef28a28f24" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillRollForward_37ceb22d-5bcd-4deb-8313-5718cea0d755" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_9071e1d4-c4b6-4146-9876-958b806599ee" xlink:to="loc_us-gaap_GoodwillRollForward_37ceb22d-5bcd-4deb-8313-5718cea0d755" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_5493d5b0-4272-44ce-a858-f5006baa2b6f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_37ceb22d-5bcd-4deb-8313-5718cea0d755" xlink:to="loc_us-gaap_Goodwill_5493d5b0-4272-44ce-a858-f5006baa2b6f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_04d7ffd7-8872-4d20-a880-ab179c1164f0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillAcquiredDuringPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_37ceb22d-5bcd-4deb-8313-5718cea0d755" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_04d7ffd7-8872-4d20-a880-ab179c1164f0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_a2c20a7f-4e52-4c54-a79a-b7ce69190215" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/GoodwillandIntangibleAssetsIntangibleAssetsDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#GoodwillandIntangibleAssetsIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/GoodwillandIntangibleAssetsIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_tpc_ScheduleOfIntangibleAssetsLineItems_cf654ea6-49d5-4e4e-920b-5a4e1631248b" xlink:href="tpc-20250331.xsd#tpc_ScheduleOfIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_ScheduleOfIntangibleAssetsTable_c70ef1b2-fb19-44f3-aa64-a050c681cfbd" xlink:href="tpc-20250331.xsd#tpc_ScheduleOfIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_tpc_ScheduleOfIntangibleAssetsLineItems_cf654ea6-49d5-4e4e-920b-5a4e1631248b" xlink:to="loc_tpc_ScheduleOfIntangibleAssetsTable_c70ef1b2-fb19-44f3-aa64-a050c681cfbd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_6fb8495c-a294-4257-8aac-339efe8e009f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_tpc_ScheduleOfIntangibleAssetsTable_c70ef1b2-fb19-44f3-aa64-a050c681cfbd" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_6fb8495c-a294-4257-8aac-339efe8e009f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_6fb8495c-a294-4257-8aac-339efe8e009f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_6fb8495c-a294-4257-8aac-339efe8e009f" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_6fb8495c-a294-4257-8aac-339efe8e009f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_5c794d17-d74c-43d1-abb1-9c44788bb17e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_6fb8495c-a294-4257-8aac-339efe8e009f" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_5c794d17-d74c-43d1-abb1-9c44788bb17e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_6b66f7d3-90f6-457b-8b4f-dfa36e3df429" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_5c794d17-d74c-43d1-abb1-9c44788bb17e" xlink:to="loc_us-gaap_TradeNamesMember_6b66f7d3-90f6-457b-8b4f-dfa36e3df429" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualRightsMember_843ee31c-dfff-4c50-9994-c0e416011103" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractualRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_5c794d17-d74c-43d1-abb1-9c44788bb17e" xlink:to="loc_us-gaap_ContractualRightsMember_843ee31c-dfff-4c50-9994-c0e416011103" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_37090708-27c1-4e74-a148-54145fb4f668" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_tpc_ScheduleOfIntangibleAssetsTable_c70ef1b2-fb19-44f3-aa64-a050c681cfbd" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_37090708-27c1-4e74-a148-54145fb4f668" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_37090708-27c1-4e74-a148-54145fb4f668_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_37090708-27c1-4e74-a148-54145fb4f668" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_37090708-27c1-4e74-a148-54145fb4f668_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_257f9d0b-f8ea-46a0-abb6-aa6b3b24d3ad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_37090708-27c1-4e74-a148-54145fb4f668" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_257f9d0b-f8ea-46a0-abb6-aa6b3b24d3ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_e8701b94-6c38-4836-9f98-58bdf1e36583" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_257f9d0b-f8ea-46a0-abb6-aa6b3b24d3ad" xlink:to="loc_us-gaap_TradeNamesMember_e8701b94-6c38-4836-9f98-58bdf1e36583" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_bbbf96b2-2fa8-4967-a904-3cd754aed4fb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_257f9d0b-f8ea-46a0-abb6-aa6b3b24d3ad" xlink:to="loc_us-gaap_CustomerRelationshipsMember_bbbf96b2-2fa8-4967-a904-3cd754aed4fb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_ConstructionContractBacklogMember_f5a134c1-2cda-4102-b0cb-3ae159cae00d" xlink:href="tpc-20250331.xsd#tpc_ConstructionContractBacklogMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_257f9d0b-f8ea-46a0-abb6-aa6b3b24d3ad" xlink:to="loc_tpc_ConstructionContractBacklogMember_f5a134c1-2cda-4102-b0cb-3ae159cae00d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwillAbstract_40944ec2-8b1f-4bc9-8499-b6f3b8175061" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwillAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_ScheduleOfIntangibleAssetsLineItems_cf654ea6-49d5-4e4e-920b-5a4e1631248b" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwillAbstract_40944ec2-8b1f-4bc9-8499-b6f3b8175061" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_IndefiniteLivedIntangibleAssetsExcludingGoodwillCost_7ea3565d-50bd-441b-918e-e2df825479bb" xlink:href="tpc-20250331.xsd#tpc_IndefiniteLivedIntangibleAssetsExcludingGoodwillCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwillAbstract_40944ec2-8b1f-4bc9-8499-b6f3b8175061" xlink:to="loc_tpc_IndefiniteLivedIntangibleAssetsExcludingGoodwillCost_7ea3565d-50bd-441b-918e-e2df825479bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedImpairmentCharge_d448efc9-c93e-4988-b540-05e69ec6ccdb" xlink:href="tpc-20250331.xsd#tpc_IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedImpairmentCharge"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwillAbstract_40944ec2-8b1f-4bc9-8499-b6f3b8175061" xlink:to="loc_tpc_IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedImpairmentCharge_d448efc9-c93e-4988-b540-05e69ec6ccdb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_d80579cc-2666-4342-b038-9152cf963760" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwillAbstract_40944ec2-8b1f-4bc9-8499-b6f3b8175061" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_d80579cc-2666-4342-b038-9152cf963760" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_44ab8f96-4b32-4e04-9983-e3cad09443e3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_ScheduleOfIntangibleAssetsLineItems_cf654ea6-49d5-4e4e-920b-5a4e1631248b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_44ab8f96-4b32-4e04-9983-e3cad09443e3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_a5397a3f-b09e-433d-9f84-d90f0e7f50f7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_44ab8f96-4b32-4e04-9983-e3cad09443e3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_a5397a3f-b09e-433d-9f84-d90f0e7f50f7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_6c194058-647b-43b8-97d4-748a477cb64f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_44ab8f96-4b32-4e04-9983-e3cad09443e3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_6c194058-647b-43b8-97d4-748a477cb64f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_IntangibleAssetsAccumulatedImpairmentCharge_b711fb71-13d8-4f34-bda1-9be0aeb732ca" xlink:href="tpc-20250331.xsd#tpc_IntangibleAssetsAccumulatedImpairmentCharge"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_44ab8f96-4b32-4e04-9983-e3cad09443e3" xlink:to="loc_tpc_IntangibleAssetsAccumulatedImpairmentCharge_b711fb71-13d8-4f34-bda1-9be0aeb732ca" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_2db9b6e9-eccf-41fb-a58e-864960f8eb7f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_44ab8f96-4b32-4e04-9983-e3cad09443e3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_2db9b6e9-eccf-41fb-a58e-864960f8eb7f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_3e71f9c5-fd03-4ff4-8573-0db315441445" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_44ab8f96-4b32-4e04-9983-e3cad09443e3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_3e71f9c5-fd03-4ff4-8573-0db315441445" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_TotalIntangibleAssetsAbstract_30058b17-f90d-4e8b-8af6-abd110392b64" xlink:href="tpc-20250331.xsd#tpc_TotalIntangibleAssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_ScheduleOfIntangibleAssetsLineItems_cf654ea6-49d5-4e4e-920b-5a4e1631248b" xlink:to="loc_tpc_TotalIntangibleAssetsAbstract_30058b17-f90d-4e8b-8af6-abd110392b64" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_IntangibleAssetsGross_293df001-1eeb-4ad4-922b-57c6cb31ca02" xlink:href="tpc-20250331.xsd#tpc_IntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_TotalIntangibleAssetsAbstract_30058b17-f90d-4e8b-8af6-abd110392b64" xlink:to="loc_tpc_IntangibleAssetsGross_293df001-1eeb-4ad4-922b-57c6cb31ca02" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_IntangibleAssetsAccumulatedAmortization_c047d07e-e4a6-4c24-a6c5-1c633bd6100d" xlink:href="tpc-20250331.xsd#tpc_IntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_TotalIntangibleAssetsAbstract_30058b17-f90d-4e8b-8af6-abd110392b64" xlink:to="loc_tpc_IntangibleAssetsAccumulatedAmortization_c047d07e-e4a6-4c24-a6c5-1c633bd6100d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_IntangibleAssetsAccumulatedImpairmentValue_9d2be956-cd74-4ba7-90d1-a65b09cbae04" xlink:href="tpc-20250331.xsd#tpc_IntangibleAssetsAccumulatedImpairmentValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_TotalIntangibleAssetsAbstract_30058b17-f90d-4e8b-8af6-abd110392b64" xlink:to="loc_tpc_IntangibleAssetsAccumulatedImpairmentValue_9d2be956-cd74-4ba7-90d1-a65b09cbae04" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_ac9b406c-31d8-442b-9c2a-d2239e244d33" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_TotalIntangibleAssetsAbstract_30058b17-f90d-4e8b-8af6-abd110392b64" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_ac9b406c-31d8-442b-9c2a-d2239e244d33" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/FinancialCommitmentsLongTermDebtDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#FinancialCommitmentsLongTermDebtDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/FinancialCommitmentsLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_30e236d1-52ce-4c28-84e3-3a6e4555d587" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_223d56bd-2f4b-443d-ac5c-af10e632fd24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_30e236d1-52ce-4c28-84e3-3a6e4555d587" xlink:to="loc_us-gaap_DebtInstrumentTable_223d56bd-2f4b-443d-ac5c-af10e632fd24" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_aa0cf891-81ba-417a-9c3d-93cda04d3bf5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_223d56bd-2f4b-443d-ac5c-af10e632fd24" xlink:to="loc_us-gaap_DebtInstrumentAxis_aa0cf891-81ba-417a-9c3d-93cda04d3bf5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_aa0cf891-81ba-417a-9c3d-93cda04d3bf5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_aa0cf891-81ba-417a-9c3d-93cda04d3bf5" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_aa0cf891-81ba-417a-9c3d-93cda04d3bf5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_23e42796-53c9-4473-b791-b8e01ce1a799" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_aa0cf891-81ba-417a-9c3d-93cda04d3bf5" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_23e42796-53c9-4473-b791-b8e01ce1a799" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_A2024SeniorNotesMember_7f5266f5-486b-424a-848a-240a39428327" xlink:href="tpc-20250331.xsd#tpc_A2024SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_23e42796-53c9-4473-b791-b8e01ce1a799" xlink:to="loc_tpc_A2024SeniorNotesMember_7f5266f5-486b-424a-848a-240a39428327" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_c2916ca7-1489-45e7-b8e3-9fb7ef3d96e6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_223d56bd-2f4b-443d-ac5c-af10e632fd24" xlink:to="loc_us-gaap_CreditFacilityAxis_c2916ca7-1489-45e7-b8e3-9fb7ef3d96e6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_c2916ca7-1489-45e7-b8e3-9fb7ef3d96e6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_c2916ca7-1489-45e7-b8e3-9fb7ef3d96e6" xlink:to="loc_us-gaap_CreditFacilityDomain_c2916ca7-1489-45e7-b8e3-9fb7ef3d96e6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_e674eb0f-0f76-4f2b-9a1e-015a02830d5d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_c2916ca7-1489-45e7-b8e3-9fb7ef3d96e6" xlink:to="loc_us-gaap_CreditFacilityDomain_e674eb0f-0f76-4f2b-9a1e-015a02830d5d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_fd7426b8-a4c2-4548-ba64-3242d07490b0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_e674eb0f-0f76-4f2b-9a1e-015a02830d5d" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_fd7426b8-a4c2-4548-ba64-3242d07490b0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_03273d0c-ad91-4ebf-9b70-9ca6baae220f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_223d56bd-2f4b-443d-ac5c-af10e632fd24" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_03273d0c-ad91-4ebf-9b70-9ca6baae220f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_03273d0c-ad91-4ebf-9b70-9ca6baae220f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_03273d0c-ad91-4ebf-9b70-9ca6baae220f" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_03273d0c-ad91-4ebf-9b70-9ca6baae220f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2bec20f9-7df6-421b-ac8b-46c0a5106c6e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_03273d0c-ad91-4ebf-9b70-9ca6baae220f" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2bec20f9-7df6-421b-ac8b-46c0a5106c6e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_83fbc11c-c448-4de1-bed6-d8a68a958355" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2bec20f9-7df6-421b-ac8b-46c0a5106c6e" xlink:to="loc_us-gaap_SeniorNotesMember_83fbc11c-c448-4de1-bed6-d8a68a958355" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_TermLoanBMember_d9b1d5b8-a1df-4fe5-a4a0-473133fa7575" xlink:href="tpc-20250331.xsd#tpc_TermLoanBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2bec20f9-7df6-421b-ac8b-46c0a5106c6e" xlink:to="loc_tpc_TermLoanBMember_d9b1d5b8-a1df-4fe5-a4a0-473133fa7575" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_EquipmentFinancingAndMortgagesMember_bbab751c-b70b-42d7-aaad-3cd03c31ce8e" xlink:href="tpc-20250331.xsd#tpc_EquipmentFinancingAndMortgagesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2bec20f9-7df6-421b-ac8b-46c0a5106c6e" xlink:to="loc_tpc_EquipmentFinancingAndMortgagesMember_bbab751c-b70b-42d7-aaad-3cd03c31ce8e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_5d4da56f-ed72-4cd1-bc53-53de0875a9c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NotesPayableOtherPayablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2bec20f9-7df6-421b-ac8b-46c0a5106c6e" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_5d4da56f-ed72-4cd1-bc53-53de0875a9c3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_84ea3f84-fb4d-4252-8cb6-3b19868e12e6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_30e236d1-52ce-4c28-84e3-3a6e4555d587" xlink:to="loc_us-gaap_LongTermDebt_84ea3f84-fb4d-4252-8cb6-3b19868e12e6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtCurrent_b3327279-d6f0-4b93-b3e3-f84883314c33" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_30e236d1-52ce-4c28-84e3-3a6e4555d587" xlink:to="loc_us-gaap_DebtCurrent_b3327279-d6f0-4b93-b3e3-f84883314c33" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_7b6aca48-6d23-4326-ad1c-fd88b7d1e097" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_30e236d1-52ce-4c28-84e3-3a6e4555d587" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_7b6aca48-6d23-4326-ad1c-fd88b7d1e097" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/FinancialCommitmentsReconciliationofOutstandingDebtBalancetoReportedDebtBalanceDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#FinancialCommitmentsReconciliationofOutstandingDebtBalancetoReportedDebtBalanceDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/FinancialCommitmentsReconciliationofOutstandingDebtBalancetoReportedDebtBalanceDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_46078da7-3609-4f4f-bd9f-5358826e5865" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_9366950e-f3a2-467b-adb4-57677feb2423" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_46078da7-3609-4f4f-bd9f-5358826e5865" xlink:to="loc_us-gaap_DebtInstrumentTable_9366950e-f3a2-467b-adb4-57677feb2423" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_70fce2e3-d042-440a-a466-7ef820a114bc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_9366950e-f3a2-467b-adb4-57677feb2423" xlink:to="loc_us-gaap_DebtInstrumentAxis_70fce2e3-d042-440a-a466-7ef820a114bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_70fce2e3-d042-440a-a466-7ef820a114bc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_70fce2e3-d042-440a-a466-7ef820a114bc" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_70fce2e3-d042-440a-a466-7ef820a114bc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d5d13284-ea46-4b61-8bee-ed93e924687a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_70fce2e3-d042-440a-a466-7ef820a114bc" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d5d13284-ea46-4b61-8bee-ed93e924687a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_A2024SeniorNotesMember_2928d840-5914-43c1-a42a-dd1104a8a8fa" xlink:href="tpc-20250331.xsd#tpc_A2024SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d5d13284-ea46-4b61-8bee-ed93e924687a" xlink:to="loc_tpc_A2024SeniorNotesMember_2928d840-5914-43c1-a42a-dd1104a8a8fa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_0637ff72-4504-4ab6-bf6c-8112a3690608" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_9366950e-f3a2-467b-adb4-57677feb2423" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_0637ff72-4504-4ab6-bf6c-8112a3690608" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0637ff72-4504-4ab6-bf6c-8112a3690608_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_0637ff72-4504-4ab6-bf6c-8112a3690608" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0637ff72-4504-4ab6-bf6c-8112a3690608_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8e34ec12-bf52-489f-8660-0e6edffcf1ec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_0637ff72-4504-4ab6-bf6c-8112a3690608" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8e34ec12-bf52-489f-8660-0e6edffcf1ec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_c7e54f3f-cee5-4b4a-9cd1-a8ba709cc76c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8e34ec12-bf52-489f-8660-0e6edffcf1ec" xlink:to="loc_us-gaap_SeniorNotesMember_c7e54f3f-cee5-4b4a-9cd1-a8ba709cc76c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_TermLoanBMember_4b0efea5-9a2f-43fb-bf1d-c359079a34aa" xlink:href="tpc-20250331.xsd#tpc_TermLoanBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8e34ec12-bf52-489f-8660-0e6edffcf1ec" xlink:to="loc_tpc_TermLoanBMember_4b0efea5-9a2f-43fb-bf1d-c359079a34aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_2db9cb25-ea66-45b2-a8e7-478f7c72b5dd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_46078da7-3609-4f4f-bd9f-5358826e5865" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_2db9cb25-ea66-45b2-a8e7-478f7c72b5dd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_08b27362-3461-43ad-8cef-71dfd81a114f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_46078da7-3609-4f4f-bd9f-5358826e5865" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_08b27362-3461-43ad-8cef-71dfd81a114f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_42ae6dda-b40a-49cc-b0bb-5b089b6ae757" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_46078da7-3609-4f4f-bd9f-5358826e5865" xlink:to="loc_us-gaap_LongTermDebt_42ae6dda-b40a-49cc-b0bb-5b089b6ae757" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/FinancialCommitmentsNarrativeDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#FinancialCommitmentsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/FinancialCommitmentsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_ce0d9cf8-e45b-4bc3-8e55-36c7d54b607b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_DebtInstrumentTable_ce0d9cf8-e45b-4bc3-8e55-36c7d54b607b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_e9970dbf-ce4e-490c-8cb2-bc25fa7a205e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ce0d9cf8-e45b-4bc3-8e55-36c7d54b607b" xlink:to="loc_us-gaap_CreditFacilityAxis_e9970dbf-ce4e-490c-8cb2-bc25fa7a205e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_e9970dbf-ce4e-490c-8cb2-bc25fa7a205e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_e9970dbf-ce4e-490c-8cb2-bc25fa7a205e" xlink:to="loc_us-gaap_CreditFacilityDomain_e9970dbf-ce4e-490c-8cb2-bc25fa7a205e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_2c8398d9-4a26-475b-866e-69e8d20e0989" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_e9970dbf-ce4e-490c-8cb2-bc25fa7a205e" xlink:to="loc_us-gaap_CreditFacilityDomain_2c8398d9-4a26-475b-866e-69e8d20e0989" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_a92f98d9-3290-4141-9bcf-556ec4c6fe26" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_2c8398d9-4a26-475b-866e-69e8d20e0989" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_a92f98d9-3290-4141-9bcf-556ec4c6fe26" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_e641b680-3096-40b0-8dd2-f919259549f2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LetterOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_2c8398d9-4a26-475b-866e-69e8d20e0989" xlink:to="loc_us-gaap_LetterOfCreditMember_e641b680-3096-40b0-8dd2-f919259549f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BridgeLoanMember_e6289038-faff-4f4a-aa17-fb98f9c023e9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BridgeLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_2c8398d9-4a26-475b-866e-69e8d20e0989" xlink:to="loc_us-gaap_BridgeLoanMember_e6289038-faff-4f4a-aa17-fb98f9c023e9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_a35e0a61-0cf0-419a-b47f-a6290aaebd92" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_2c8398d9-4a26-475b-866e-69e8d20e0989" xlink:to="loc_us-gaap_SecuredDebtMember_a35e0a61-0cf0-419a-b47f-a6290aaebd92" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_a66a484c-e640-4170-b0f4-103a6ee6e7df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ce0d9cf8-e45b-4bc3-8e55-36c7d54b607b" xlink:to="loc_us-gaap_DebtInstrumentAxis_a66a484c-e640-4170-b0f4-103a6ee6e7df" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_a66a484c-e640-4170-b0f4-103a6ee6e7df_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_a66a484c-e640-4170-b0f4-103a6ee6e7df" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_a66a484c-e640-4170-b0f4-103a6ee6e7df_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_5d2a0b76-dd96-4998-9adc-bc1414510aa4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_a66a484c-e640-4170-b0f4-103a6ee6e7df" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_5d2a0b76-dd96-4998-9adc-bc1414510aa4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_A2024SeniorNotesMember_5417b05a-6a6c-4983-9f00-9b900b48e663" xlink:href="tpc-20250331.xsd#tpc_A2024SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5d2a0b76-dd96-4998-9adc-bc1414510aa4" xlink:to="loc_tpc_A2024SeniorNotesMember_5417b05a-6a6c-4983-9f00-9b900b48e663" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_A2017SeniorNotesMember_ccc37157-f3b3-4fb1-b7e1-6ea9f6dc3d5d" xlink:href="tpc-20250331.xsd#tpc_A2017SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5d2a0b76-dd96-4998-9adc-bc1414510aa4" xlink:to="loc_tpc_A2017SeniorNotesMember_ccc37157-f3b3-4fb1-b7e1-6ea9f6dc3d5d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CreditAgreement2020Member_60a63a7b-6143-4a05-8aa1-e6df3487c8c9" xlink:href="tpc-20250331.xsd#tpc_CreditAgreement2020Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5d2a0b76-dd96-4998-9adc-bc1414510aa4" xlink:to="loc_tpc_CreditAgreement2020Member_60a63a7b-6143-4a05-8aa1-e6df3487c8c9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_TermLoanBMember_54dc3944-211b-48aa-88ae-46dc6318217e" xlink:href="tpc-20250331.xsd#tpc_TermLoanBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5d2a0b76-dd96-4998-9adc-bc1414510aa4" xlink:to="loc_tpc_TermLoanBMember_54dc3944-211b-48aa-88ae-46dc6318217e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_FirstLienMember_54a8b931-033a-4588-b852-be659fede118" xlink:href="tpc-20250331.xsd#tpc_FirstLienMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5d2a0b76-dd96-4998-9adc-bc1414510aa4" xlink:to="loc_tpc_FirstLienMember_54a8b931-033a-4588-b852-be659fede118" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_dfbf54f7-748e-475f-86e7-7965c416f148" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ce0d9cf8-e45b-4bc3-8e55-36c7d54b607b" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_dfbf54f7-748e-475f-86e7-7965c416f148" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_dfbf54f7-748e-475f-86e7-7965c416f148_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_dfbf54f7-748e-475f-86e7-7965c416f148" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_dfbf54f7-748e-475f-86e7-7965c416f148_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_1ea98f8a-5c52-44c2-afbf-df711fc7c5c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_dfbf54f7-748e-475f-86e7-7965c416f148" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_1ea98f8a-5c52-44c2-afbf-df711fc7c5c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_f48093be-d975-402f-b863-ad944005d5ee" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1ea98f8a-5c52-44c2-afbf-df711fc7c5c4" xlink:to="loc_us-gaap_SeniorNotesMember_f48093be-d975-402f-b863-ad944005d5ee" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_61fbab33-f78e-4e33-bf27-310f6993ae1f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1ea98f8a-5c52-44c2-afbf-df711fc7c5c4" xlink:to="loc_us-gaap_LineOfCreditMember_61fbab33-f78e-4e33-bf27-310f6993ae1f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_TermLoanBMember_48f10141-5206-4c46-b2d7-3776825dc2c1" xlink:href="tpc-20250331.xsd#tpc_TermLoanBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1ea98f8a-5c52-44c2-afbf-df711fc7c5c4" xlink:to="loc_tpc_TermLoanBMember_48f10141-5206-4c46-b2d7-3776825dc2c1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_96e98c06-1694-435d-a04e-40bec5a23170" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1ea98f8a-5c52-44c2-afbf-df711fc7c5c4" xlink:to="loc_us-gaap_UnsecuredDebtMember_96e98c06-1694-435d-a04e-40bec5a23170" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_d7abe739-bd40-4390-b56e-fd5969b93de8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ce0d9cf8-e45b-4bc3-8e55-36c7d54b607b" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_d7abe739-bd40-4390-b56e-fd5969b93de8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_d7abe739-bd40-4390-b56e-fd5969b93de8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_d7abe739-bd40-4390-b56e-fd5969b93de8" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_d7abe739-bd40-4390-b56e-fd5969b93de8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_f58447ea-e958-4d37-bc09-d4b7da63e555" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_d7abe739-bd40-4390-b56e-fd5969b93de8" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_f58447ea-e958-4d37-bc09-d4b7da63e555" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrivatePlacementMember_590567e9-0c0b-441d-ba97-74948cb12db4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrivatePlacementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_f58447ea-e958-4d37-bc09-d4b7da63e555" xlink:to="loc_us-gaap_PrivatePlacementMember_590567e9-0c0b-441d-ba97-74948cb12db4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_f5f913a3-a277-4176-881b-0cb0ee8d41a4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ce0d9cf8-e45b-4bc3-8e55-36c7d54b607b" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_f5f913a3-a277-4176-881b-0cb0ee8d41a4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_f5f913a3-a277-4176-881b-0cb0ee8d41a4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_f5f913a3-a277-4176-881b-0cb0ee8d41a4" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_f5f913a3-a277-4176-881b-0cb0ee8d41a4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_ee95e7f0-36c6-4560-a829-780ca0031a59" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_f5f913a3-a277-4176-881b-0cb0ee8d41a4" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_ee95e7f0-36c6-4560-a829-780ca0031a59" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_b6f993fc-7f02-49ad-badb-de714635e07b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPeriodOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_ee95e7f0-36c6-4560-a829-780ca0031a59" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_b6f993fc-7f02-49ad-badb-de714635e07b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember_7a168d97-c5e7-4920-967a-3460a5af04a5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPeriodTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_ee95e7f0-36c6-4560-a829-780ca0031a59" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember_7a168d97-c5e7-4920-967a-3460a5af04a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodThreeMember_8a9e7ef8-a62b-4f9b-b972-1629ab8024b7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPeriodThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_ee95e7f0-36c6-4560-a829-780ca0031a59" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodThreeMember_8a9e7ef8-a62b-4f9b-b972-1629ab8024b7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_14449846-82e4-4308-843b-eff1f283db4f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ce0d9cf8-e45b-4bc3-8e55-36c7d54b607b" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_14449846-82e4-4308-843b-eff1f283db4f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_14449846-82e4-4308-843b-eff1f283db4f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityLenderDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_14449846-82e4-4308-843b-eff1f283db4f" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_14449846-82e4-4308-843b-eff1f283db4f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_5f36ca8f-7a75-4226-bd76-7cbc4305c5bd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityLenderDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_14449846-82e4-4308-843b-eff1f283db4f" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_5f36ca8f-7a75-4226-bd76-7cbc4305c5bd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_BMOHarrisBankMember_3d7f824c-cc4c-4b35-aeba-3dd5ab3659fc" xlink:href="tpc-20250331.xsd#tpc_BMOHarrisBankMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_5f36ca8f-7a75-4226-bd76-7cbc4305c5bd" xlink:to="loc_tpc_BMOHarrisBankMember_3d7f824c-cc4c-4b35-aeba-3dd5ab3659fc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LienCategoryAxis_3250ab48-f25b-4b30-971f-9fbc66a0e8e7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LienCategoryAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ce0d9cf8-e45b-4bc3-8e55-36c7d54b607b" xlink:to="loc_us-gaap_LienCategoryAxis_3250ab48-f25b-4b30-971f-9fbc66a0e8e7" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LienCategoryDomain_3250ab48-f25b-4b30-971f-9fbc66a0e8e7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LienCategoryDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LienCategoryAxis_3250ab48-f25b-4b30-971f-9fbc66a0e8e7" xlink:to="loc_us-gaap_LienCategoryDomain_3250ab48-f25b-4b30-971f-9fbc66a0e8e7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LienCategoryDomain_15af6e9a-2e82-4457-8d26-8d3fede9b653" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LienCategoryDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LienCategoryAxis_3250ab48-f25b-4b30-971f-9fbc66a0e8e7" xlink:to="loc_us-gaap_LienCategoryDomain_15af6e9a-2e82-4457-8d26-8d3fede9b653" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JuniorLienMember_0abb8f21-46cb-4a8f-a4d8-959b2e0892ed" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_JuniorLienMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LienCategoryDomain_15af6e9a-2e82-4457-8d26-8d3fede9b653" xlink:to="loc_us-gaap_JuniorLienMember_0abb8f21-46cb-4a8f-a4d8-959b2e0892ed" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_2e85a738-e686-4075-87f5-68298ee380e3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ce0d9cf8-e45b-4bc3-8e55-36c7d54b607b" xlink:to="loc_us-gaap_VariableRateAxis_2e85a738-e686-4075-87f5-68298ee380e3" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_2e85a738-e686-4075-87f5-68298ee380e3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_2e85a738-e686-4075-87f5-68298ee380e3" xlink:to="loc_us-gaap_VariableRateDomain_2e85a738-e686-4075-87f5-68298ee380e3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_4f6d0650-8c82-49da-bd8c-267ec3cf9b2b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_2e85a738-e686-4075-87f5-68298ee380e3" xlink:to="loc_us-gaap_VariableRateDomain_4f6d0650-8c82-49da-bd8c-267ec3cf9b2b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_05698131-1f25-4d8e-ab17-b52a5e40bcea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredOvernightFinancingRateSofrMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_4f6d0650-8c82-49da-bd8c-267ec3cf9b2b" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_05698131-1f25-4d8e-ab17-b52a5e40bcea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalFundsEffectiveSwapRateMember_ec6f1689-b29d-4f07-984c-dc63bebe32eb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FederalFundsEffectiveSwapRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_4f6d0650-8c82-49da-bd8c-267ec3cf9b2b" xlink:to="loc_us-gaap_FederalFundsEffectiveSwapRateMember_ec6f1689-b29d-4f07-984c-dc63bebe32eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_5cc00503-7baa-4107-bb4a-843c8e3595d9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BaseRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_4f6d0650-8c82-49da-bd8c-267ec3cf9b2b" xlink:to="loc_us-gaap_BaseRateMember_5cc00503-7baa-4107-bb4a-843c8e3595d9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_NetLeverageRatioMember_58a97e17-8dab-456f-873a-e0ebcbf14384" xlink:href="tpc-20250331.xsd#tpc_NetLeverageRatioMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_4f6d0650-8c82-49da-bd8c-267ec3cf9b2b" xlink:to="loc_tpc_NetLeverageRatioMember_58a97e17-8dab-456f-873a-e0ebcbf14384" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_df26ad2b-c44d-4da3-a8d1-b4d257a2d4e4" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ce0d9cf8-e45b-4bc3-8e55-36c7d54b607b" xlink:to="loc_srt_RangeAxis_df26ad2b-c44d-4da3-a8d1-b4d257a2d4e4" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_df26ad2b-c44d-4da3-a8d1-b4d257a2d4e4_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_df26ad2b-c44d-4da3-a8d1-b4d257a2d4e4" xlink:to="loc_srt_RangeMember_df26ad2b-c44d-4da3-a8d1-b4d257a2d4e4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_5e5d1ef6-5b5f-485e-bb3b-a66acdd2c14b" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_df26ad2b-c44d-4da3-a8d1-b4d257a2d4e4" xlink:to="loc_srt_RangeMember_5e5d1ef6-5b5f-485e-bb3b-a66acdd2c14b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_92ff3d93-7de8-4e8a-b525-af177e398cc1" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5e5d1ef6-5b5f-485e-bb3b-a66acdd2c14b" xlink:to="loc_srt_MinimumMember_92ff3d93-7de8-4e8a-b525-af177e398cc1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_e97942bd-9d42-44c7-b86b-62bd190946da" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5e5d1ef6-5b5f-485e-bb3b-a66acdd2c14b" xlink:to="loc_srt_MaximumMember_e97942bd-9d42-44c7-b86b-62bd190946da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtInstrumentStepFeatureAxis_f19e1dce-313a-4124-bb27-9a5ebac3ea74" xlink:href="tpc-20250331.xsd#tpc_DebtInstrumentStepFeatureAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ce0d9cf8-e45b-4bc3-8e55-36c7d54b607b" xlink:to="loc_tpc_DebtInstrumentStepFeatureAxis_f19e1dce-313a-4124-bb27-9a5ebac3ea74" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtInstrumentStepFeatureDomain_f19e1dce-313a-4124-bb27-9a5ebac3ea74_default" xlink:href="tpc-20250331.xsd#tpc_DebtInstrumentStepFeatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_tpc_DebtInstrumentStepFeatureAxis_f19e1dce-313a-4124-bb27-9a5ebac3ea74" xlink:to="loc_tpc_DebtInstrumentStepFeatureDomain_f19e1dce-313a-4124-bb27-9a5ebac3ea74_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtInstrumentStepFeatureDomain_58c742d7-85bc-4ba1-a2f7-64b02463d29d" xlink:href="tpc-20250331.xsd#tpc_DebtInstrumentStepFeatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_tpc_DebtInstrumentStepFeatureAxis_f19e1dce-313a-4124-bb27-9a5ebac3ea74" xlink:to="loc_tpc_DebtInstrumentStepFeatureDomain_58c742d7-85bc-4ba1-a2f7-64b02463d29d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_FiscalQuarterDecember312022Member_57e43f9f-a27e-4244-9148-65d34403e364" xlink:href="tpc-20250331.xsd#tpc_FiscalQuarterDecember312022Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_DebtInstrumentStepFeatureDomain_58c742d7-85bc-4ba1-a2f7-64b02463d29d" xlink:to="loc_tpc_FiscalQuarterDecember312022Member_57e43f9f-a27e-4244-9148-65d34403e364" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_FiscalQuarterMarch312023Member_365b2a6c-4414-4bb6-8a38-c11c4381af32" xlink:href="tpc-20250331.xsd#tpc_FiscalQuarterMarch312023Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_DebtInstrumentStepFeatureDomain_58c742d7-85bc-4ba1-a2f7-64b02463d29d" xlink:to="loc_tpc_FiscalQuarterMarch312023Member_365b2a6c-4414-4bb6-8a38-c11c4381af32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_FiscalQuarterJune302023Member_1d09946a-e791-46ca-843e-a344dab662de" xlink:href="tpc-20250331.xsd#tpc_FiscalQuarterJune302023Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_DebtInstrumentStepFeatureDomain_58c742d7-85bc-4ba1-a2f7-64b02463d29d" xlink:to="loc_tpc_FiscalQuarterJune302023Member_1d09946a-e791-46ca-843e-a344dab662de" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_FiscalQuarterSeptember302023Member_d0e82d1f-c200-4db2-9f6f-a84cc98d6b05" xlink:href="tpc-20250331.xsd#tpc_FiscalQuarterSeptember302023Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_DebtInstrumentStepFeatureDomain_58c742d7-85bc-4ba1-a2f7-64b02463d29d" xlink:to="loc_tpc_FiscalQuarterSeptember302023Member_d0e82d1f-c200-4db2-9f6f-a84cc98d6b05" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_FiscalQuarterDecember312023Member_fbbf0f7b-e469-4d29-82a3-5c075b57395e" xlink:href="tpc-20250331.xsd#tpc_FiscalQuarterDecember312023Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_DebtInstrumentStepFeatureDomain_58c742d7-85bc-4ba1-a2f7-64b02463d29d" xlink:to="loc_tpc_FiscalQuarterDecember312023Member_fbbf0f7b-e469-4d29-82a3-5c075b57395e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_cf1d01a1-7652-45b8-bfac-4b72bc522774" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_cf1d01a1-7652-45b8-bfac-4b72bc522774" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_0ec8a351-4259-4bf6-95a7-7f6822b7b9dd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_0ec8a351-4259-4bf6-95a7-7f6822b7b9dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_9aa481b6-6a0b-47a7-9158-3c8b54afadc8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_9aa481b6-6a0b-47a7-9158-3c8b54afadc8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_4c7d5b77-b5ef-432f-9b68-db447f006641" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_4c7d5b77-b5ef-432f-9b68-db447f006641" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_0315b439-3d25-42dc-aeb9-dca6ffafa17b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_0315b439-3d25-42dc-aeb9-dca6ffafa17b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_d0ce748b-247e-4664-be6b-5f28b8950116" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_d0ce748b-247e-4664-be6b-5f28b8950116" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtInstrumentDaysPriorToMaturity_e86f6fa9-c364-4c20-82b1-3faa9cf2eae2" xlink:href="tpc-20250331.xsd#tpc_DebtInstrumentDaysPriorToMaturity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_tpc_DebtInstrumentDaysPriorToMaturity_e86f6fa9-c364-4c20-82b1-3faa9cf2eae2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_56b2868e-7b1b-4802-a623-d38396873746" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_56b2868e-7b1b-4802-a623-d38396873746" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_aac9f1a3-207d-4e26-8131-aac68ce06e1f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_aac9f1a3-207d-4e26-8131-aac68ce06e1f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtInstrumentPeriodicPaymentPrincipalPercentage_54bf5d60-4294-4bac-9da2-535ec69aba47" xlink:href="tpc-20250331.xsd#tpc_DebtInstrumentPeriodicPaymentPrincipalPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_tpc_DebtInstrumentPeriodicPaymentPrincipalPercentage_54bf5d60-4294-4bac-9da2-535ec69aba47" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtCurrent_a42df85c-d370-4194-b1d1-ef8fe86b69a9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_DebtCurrent_a42df85c-d370-4194-b1d1-ef8fe86b69a9" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_b66bf624-a397-448a-91f6-869d92747ba2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_RepaymentsOfDebt_b66bf624-a397-448a-91f6-869d92747ba2" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_LineOfCreditFacilityAccordionFeaturePercentageOfLTMEBITDA_194a5791-7135-46f6-96a7-00e90a1d89a8" xlink:href="tpc-20250331.xsd#tpc_LineOfCreditFacilityAccordionFeaturePercentageOfLTMEBITDA"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_tpc_LineOfCreditFacilityAccordionFeaturePercentageOfLTMEBITDA_194a5791-7135-46f6-96a7-00e90a1d89a8" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_NetLeverageRatioMaximum_169cbc34-6233-40bb-b379-9b1b4aee2409" xlink:href="tpc-20250331.xsd#tpc_NetLeverageRatioMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_tpc_NetLeverageRatioMaximum_169cbc34-6233-40bb-b379-9b1b4aee2409" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_TotalNetLeverageRatioMaximum_5b3b4c77-ea88-4e84-85ee-ce3d621fdedb" xlink:href="tpc-20250331.xsd#tpc_TotalNetLeverageRatioMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_tpc_TotalNetLeverageRatioMaximum_5b3b4c77-ea88-4e84-85ee-ce3d621fdedb" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_FixedChargeCoverageRatioMaximum_8a78c7b6-758a-455f-b7e1-ff7f32046890" xlink:href="tpc-20250331.xsd#tpc_FixedChargeCoverageRatioMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_tpc_FixedChargeCoverageRatioMaximum_8a78c7b6-758a-455f-b7e1-ff7f32046890" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtInstrumentBasisSpreadOnVariableRateOneMonthInterestPeriod_dfb7c28f-9455-447f-aa21-2f6b7021d32e" xlink:href="tpc-20250331.xsd#tpc_DebtInstrumentBasisSpreadOnVariableRateOneMonthInterestPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_tpc_DebtInstrumentBasisSpreadOnVariableRateOneMonthInterestPeriod_dfb7c28f-9455-447f-aa21-2f6b7021d32e" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtInstrumentBasisSpreadOnVariableRateThreeMonthInterestPeriod_8dc3fd81-e1e6-4692-bcfb-150e312ed17e" xlink:href="tpc-20250331.xsd#tpc_DebtInstrumentBasisSpreadOnVariableRateThreeMonthInterestPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_tpc_DebtInstrumentBasisSpreadOnVariableRateThreeMonthInterestPeriod_8dc3fd81-e1e6-4692-bcfb-150e312ed17e" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtInstrumentBasisSpreadOnVariableRateSixMonthInterestPeriod_3b642226-e0ca-4529-bf5d-caecd420ef7e" xlink:href="tpc-20250331.xsd#tpc_DebtInstrumentBasisSpreadOnVariableRateSixMonthInterestPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_tpc_DebtInstrumentBasisSpreadOnVariableRateSixMonthInterestPeriod_3b642226-e0ca-4529-bf5d-caecd420ef7e" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_7ff435cd-9a01-4de9-b9e5-c2aea9fc265b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_7ff435cd-9a01-4de9-b9e5-c2aea9fc265b" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtInstrumentBasisSpreadOnVariableRateAdjustment_190cee42-97c9-4adf-84f4-802e53356d79" xlink:href="tpc-20250331.xsd#tpc_DebtInstrumentBasisSpreadOnVariableRateAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_tpc_DebtInstrumentBasisSpreadOnVariableRateAdjustment_190cee42-97c9-4adf-84f4-802e53356d79" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtInstrumentDebtDefaultIncreaseInApplicableMarginOnOverdueAmountsUponDefault_2a35952c-5747-4956-ace9-d9d947ef49d3" xlink:href="tpc-20250331.xsd#tpc_DebtInstrumentDebtDefaultIncreaseInApplicableMarginOnOverdueAmountsUponDefault"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_tpc_DebtInstrumentDebtDefaultIncreaseInApplicableMarginOnOverdueAmountsUponDefault_2a35952c-5747-4956-ace9-d9d947ef49d3" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_6f81555c-ffcb-4365-a7a6-0dcc80f30840" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtWeightedAverageInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953b4ca-2b3d-460d-9623-e16f3500412b" xlink:to="loc_us-gaap_DebtWeightedAverageInterestRate_6f81555c-ffcb-4365-a7a6-0dcc80f30840" xlink:type="arc" order="22"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/FinancialCommitmentsScheduleofInterestExpenseasReportedintheConsolidatedStatementsofOperationsDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#FinancialCommitmentsScheduleofInterestExpenseasReportedintheConsolidatedStatementsofOperationsDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/FinancialCommitmentsScheduleofInterestExpenseasReportedintheConsolidatedStatementsofOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_5eb6ef46-3087-4c85-9d90-879496bc4b50" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_7415cb85-9de7-48e6-8081-1d085d561f87" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5eb6ef46-3087-4c85-9d90-879496bc4b50" xlink:to="loc_us-gaap_DebtInstrumentTable_7415cb85-9de7-48e6-8081-1d085d561f87" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_2223368a-3bcc-4360-b6ca-053ec2844b80" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_7415cb85-9de7-48e6-8081-1d085d561f87" xlink:to="loc_us-gaap_DebtInstrumentAxis_2223368a-3bcc-4360-b6ca-053ec2844b80" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_2223368a-3bcc-4360-b6ca-053ec2844b80_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_2223368a-3bcc-4360-b6ca-053ec2844b80" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_2223368a-3bcc-4360-b6ca-053ec2844b80_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_627d9a4d-035a-4986-8db5-b274ba3c838b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_2223368a-3bcc-4360-b6ca-053ec2844b80" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_627d9a4d-035a-4986-8db5-b274ba3c838b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_A2024SeniorNotesMember_5be539af-fc78-4808-86fd-9ee96fc3c827" xlink:href="tpc-20250331.xsd#tpc_A2024SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_627d9a4d-035a-4986-8db5-b274ba3c838b" xlink:to="loc_tpc_A2024SeniorNotesMember_5be539af-fc78-4808-86fd-9ee96fc3c827" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_A2017SeniorNotesMember_0205d5a9-bc39-40a3-8aca-eebe5cdae85b" xlink:href="tpc-20250331.xsd#tpc_A2017SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_627d9a4d-035a-4986-8db5-b274ba3c838b" xlink:to="loc_tpc_A2017SeniorNotesMember_0205d5a9-bc39-40a3-8aca-eebe5cdae85b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_98dc88a5-8245-4e62-a905-84192ac438fd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_7415cb85-9de7-48e6-8081-1d085d561f87" xlink:to="loc_us-gaap_CreditFacilityAxis_98dc88a5-8245-4e62-a905-84192ac438fd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_98dc88a5-8245-4e62-a905-84192ac438fd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_98dc88a5-8245-4e62-a905-84192ac438fd" xlink:to="loc_us-gaap_CreditFacilityDomain_98dc88a5-8245-4e62-a905-84192ac438fd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_34c7817e-2967-4a8d-963b-ae79fd029e9e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_98dc88a5-8245-4e62-a905-84192ac438fd" xlink:to="loc_us-gaap_CreditFacilityDomain_34c7817e-2967-4a8d-963b-ae79fd029e9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_4309764f-aebd-4721-924e-0b05bab82588" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_34c7817e-2967-4a8d-963b-ae79fd029e9e" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_4309764f-aebd-4721-924e-0b05bab82588" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_8334473c-a886-4662-82bf-31068c73434c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_7415cb85-9de7-48e6-8081-1d085d561f87" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_8334473c-a886-4662-82bf-31068c73434c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8334473c-a886-4662-82bf-31068c73434c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8334473c-a886-4662-82bf-31068c73434c" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8334473c-a886-4662-82bf-31068c73434c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_99b57c8b-bc66-4185-881c-7c2af9add3c5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8334473c-a886-4662-82bf-31068c73434c" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_99b57c8b-bc66-4185-881c-7c2af9add3c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_TermLoanBMember_34ba3a18-ca53-4c90-80d3-ff01a06ba7ad" xlink:href="tpc-20250331.xsd#tpc_TermLoanBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_99b57c8b-bc66-4185-881c-7c2af9add3c5" xlink:to="loc_tpc_TermLoanBMember_34ba3a18-ca53-4c90-80d3-ff01a06ba7ad" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_c990c55e-6975-481f-850d-c4edb5da406b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_99b57c8b-bc66-4185-881c-7c2af9add3c5" xlink:to="loc_us-gaap_SeniorNotesMember_c990c55e-6975-481f-850d-c4edb5da406b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebtExcludingAmortization_98252c8b-1384-4b59-be67-76ba1630eb14" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseDebtExcludingAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5eb6ef46-3087-4c85-9d90-879496bc4b50" xlink:to="loc_us-gaap_InterestExpenseDebtExcludingAmortization_98252c8b-1384-4b59-be67-76ba1630eb14" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOther_63e5a808-77d4-4fd5-a240-d2cf25597ea5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5eb6ef46-3087-4c85-9d90-879496bc4b50" xlink:to="loc_us-gaap_InterestExpenseOther_63e5a808-77d4-4fd5-a240-d2cf25597ea5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_InterestExpenseCash_8233ce70-43cf-4ad2-9549-0668071da5b6" xlink:href="tpc-20250331.xsd#tpc_InterestExpenseCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5eb6ef46-3087-4c85-9d90-879496bc4b50" xlink:to="loc_tpc_InterestExpenseCash_8233ce70-43cf-4ad2-9549-0668071da5b6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_8ec03ffd-f598-4a73-be7a-78e23c9b4f6e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5eb6ef46-3087-4c85-9d90-879496bc4b50" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_8ec03ffd-f598-4a73-be7a-78e23c9b4f6e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_InterestExpenseNonCash_6d95eb8e-b74a-4a1a-b038-074cce48880e" xlink:href="tpc-20250331.xsd#tpc_InterestExpenseNonCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5eb6ef46-3087-4c85-9d90-879496bc4b50" xlink:to="loc_tpc_InterestExpenseNonCash_6d95eb8e-b74a-4a1a-b038-074cce48880e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_157b11ca-eab6-4745-8f98-2e386d6e5e56" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5eb6ef46-3087-4c85-9d90-879496bc4b50" xlink:to="loc_us-gaap_InterestExpenseNonoperating_157b11ca-eab6-4745-8f98-2e386d6e5e56" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_26e9df6a-52d1-49b1-bc00-943beaa6e5b0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5eb6ef46-3087-4c85-9d90-879496bc4b50" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_26e9df6a-52d1-49b1-bc00-943beaa6e5b0" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/LeasesNarrativeDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#LeasesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/LeasesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_61cdd5c5-3886-4efb-8d99-638c1c75842d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_a53f43ba-6696-4f7c-8887-f01d2619982d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_61cdd5c5-3886-4efb-8d99-638c1c75842d" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_a53f43ba-6696-4f7c-8887-f01d2619982d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_dbf2573e-53b4-4d4a-aad8-75d820182dc9" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_a53f43ba-6696-4f7c-8887-f01d2619982d" xlink:to="loc_srt_RangeAxis_dbf2573e-53b4-4d4a-aad8-75d820182dc9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_dbf2573e-53b4-4d4a-aad8-75d820182dc9_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_dbf2573e-53b4-4d4a-aad8-75d820182dc9" xlink:to="loc_srt_RangeMember_dbf2573e-53b4-4d4a-aad8-75d820182dc9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_cfbca8a5-de06-42ce-99db-fd9878071c86" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_dbf2573e-53b4-4d4a-aad8-75d820182dc9" xlink:to="loc_srt_RangeMember_cfbca8a5-de06-42ce-99db-fd9878071c86" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_83cd8414-b793-4d4f-9e53-e728c730eab3" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_cfbca8a5-de06-42ce-99db-fd9878071c86" xlink:to="loc_srt_MinimumMember_83cd8414-b793-4d4f-9e53-e728c730eab3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_010fb8ee-4691-4223-9b46-36f72d30315d" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_cfbca8a5-de06-42ce-99db-fd9878071c86" xlink:to="loc_srt_MaximumMember_010fb8ee-4691-4223-9b46-36f72d30315d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseTermOfContract_ef53ce5c-9f43-49f3-8360-278a1e666cf0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_61cdd5c5-3886-4efb-8d99-638c1c75842d" xlink:to="loc_us-gaap_LesseeOperatingLeaseTermOfContract_ef53ce5c-9f43-49f3-8360-278a1e666cf0" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/LeasesComponentsofLeaseExpenseDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#LeasesComponentsofLeaseExpenseDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/LeasesComponentsofLeaseExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_816edb10-0940-4421-81c2-845261ed7ce6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_87180ea5-6582-4316-8c38-ed49da2f729e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_816edb10-0940-4421-81c2-845261ed7ce6" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_87180ea5-6582-4316-8c38-ed49da2f729e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_be6a4bef-ce7e-4704-8eaf-1b2301dabfa3" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_87180ea5-6582-4316-8c38-ed49da2f729e" xlink:to="loc_srt_RangeAxis_be6a4bef-ce7e-4704-8eaf-1b2301dabfa3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_be6a4bef-ce7e-4704-8eaf-1b2301dabfa3_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_be6a4bef-ce7e-4704-8eaf-1b2301dabfa3" xlink:to="loc_srt_RangeMember_be6a4bef-ce7e-4704-8eaf-1b2301dabfa3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_ef07fb8d-1d5e-4fd1-86f8-5419413deb9c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_be6a4bef-ce7e-4704-8eaf-1b2301dabfa3" xlink:to="loc_srt_RangeMember_ef07fb8d-1d5e-4fd1-86f8-5419413deb9c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_93001c45-c875-4759-b262-74739c2ff3e9" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_ef07fb8d-1d5e-4fd1-86f8-5419413deb9c" xlink:to="loc_srt_MaximumMember_93001c45-c875-4759-b262-74739c2ff3e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_acd5d2dd-e332-4967-8b49-81c187a172e9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_816edb10-0940-4421-81c2-845261ed7ce6" xlink:to="loc_us-gaap_OperatingLeaseCost_acd5d2dd-e332-4967-8b49-81c187a172e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_534aaf7f-bcce-474a-825f-c9e7adf00f05" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_816edb10-0940-4421-81c2-845261ed7ce6" xlink:to="loc_us-gaap_ShortTermLeaseCost_534aaf7f-bcce-474a-825f-c9e7adf00f05" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_LeaseCostBeforeSubleaseIncome_7939a401-6c0b-48b2-8253-a7901f8a6bbc" xlink:href="tpc-20250331.xsd#tpc_LeaseCostBeforeSubleaseIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_816edb10-0940-4421-81c2-845261ed7ce6" xlink:to="loc_tpc_LeaseCostBeforeSubleaseIncome_7939a401-6c0b-48b2-8253-a7901f8a6bbc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubleaseIncome_8bb24991-5f44-4622-a1c9-5a5285f6e657" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubleaseIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_816edb10-0940-4421-81c2-845261ed7ce6" xlink:to="loc_us-gaap_SubleaseIncome_8bb24991-5f44-4622-a1c9-5a5285f6e657" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_737e89f1-9ee4-4b08-801a-69c3b5750ee3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_816edb10-0940-4421-81c2-845261ed7ce6" xlink:to="loc_us-gaap_LeaseCost_737e89f1-9ee4-4b08-801a-69c3b5750ee3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_ShortTermLeaseLeaseTerm_c7a005fa-2cdd-4287-8fc4-2708ec475a02" xlink:href="tpc-20250331.xsd#tpc_ShortTermLeaseLeaseTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_816edb10-0940-4421-81c2-845261ed7ce6" xlink:to="loc_tpc_ShortTermLeaseLeaseTerm_c7a005fa-2cdd-4287-8fc4-2708ec475a02" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#CommitmentsandContingenciesDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/CommitmentsandContingenciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_7b9c275d-0cd3-43f2-a8a5-840056ba10d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_3ff726a9-7950-4295-8ef0-562dc10ba6b0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b9c275d-0cd3-43f2-a8a5-840056ba10d2" xlink:to="loc_us-gaap_LossContingenciesTable_3ff726a9-7950-4295-8ef0-562dc10ba6b0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_c9544a08-4e4b-42c7-8fec-63bffd02b4cf" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_3ff726a9-7950-4295-8ef0-562dc10ba6b0" xlink:to="loc_srt_LitigationCaseAxis_c9544a08-4e4b-42c7-8fec-63bffd02b4cf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_c9544a08-4e4b-42c7-8fec-63bffd02b4cf_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_LitigationCaseAxis_c9544a08-4e4b-42c7-8fec-63bffd02b4cf" xlink:to="loc_srt_LitigationCaseTypeDomain_c9544a08-4e4b-42c7-8fec-63bffd02b4cf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_0dcdd385-3d9c-47cd-86f5-3ec420dd789e" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_LitigationCaseAxis_c9544a08-4e4b-42c7-8fec-63bffd02b4cf" xlink:to="loc_srt_LitigationCaseTypeDomain_0dcdd385-3d9c-47cd-86f5-3ec420dd789e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_AlaskanWayViaductMatterMember_34c8ed28-7171-4f0b-a8d4-70c51e644ea4" xlink:href="tpc-20250331.xsd#tpc_AlaskanWayViaductMatterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_0dcdd385-3d9c-47cd-86f5-3ec420dd789e" xlink:to="loc_tpc_AlaskanWayViaductMatterMember_34c8ed28-7171-4f0b-a8d4-70c51e644ea4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_SeattleTunnelPartnersMember_832c2a5f-38b6-48a4-bc16-35509a053a3c" xlink:href="tpc-20250331.xsd#tpc_SeattleTunnelPartnersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_0dcdd385-3d9c-47cd-86f5-3ec420dd789e" xlink:to="loc_tpc_SeattleTunnelPartnersMember_832c2a5f-38b6-48a4-bc16-35509a053a3c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_HNTBMember_0c3d11eb-3e52-49c9-afbd-8a7bb6ad7893" xlink:href="tpc-20250331.xsd#tpc_HNTBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_0dcdd385-3d9c-47cd-86f5-3ec420dd789e" xlink:to="loc_tpc_HNTBMember_0c3d11eb-3e52-49c9-afbd-8a7bb6ad7893" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_0f66d2ea-9ab1-4599-bb32-7cac047d5f2c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_3ff726a9-7950-4295-8ef0-562dc10ba6b0" xlink:to="loc_srt_CounterpartyNameAxis_0f66d2ea-9ab1-4599-bb32-7cac047d5f2c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_0f66d2ea-9ab1-4599-bb32-7cac047d5f2c_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_0f66d2ea-9ab1-4599-bb32-7cac047d5f2c" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_0f66d2ea-9ab1-4599-bb32-7cac047d5f2c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_a79ec60c-7956-44f8-8591-8028371eab12" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_0f66d2ea-9ab1-4599-bb32-7cac047d5f2c" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_a79ec60c-7956-44f8-8591-8028371eab12" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_SeattleTunnelPartnersMember_cb18c25f-c924-4bc4-84b2-447e28534fc7" xlink:href="tpc-20250331.xsd#tpc_SeattleTunnelPartnersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_a79ec60c-7956-44f8-8591-8028371eab12" xlink:to="loc_tpc_SeattleTunnelPartnersMember_cb18c25f-c924-4bc4-84b2-447e28534fc7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_OwnershipPercentageInJointVenture_766c835e-7127-46af-babd-41f2ba1eb3ee" xlink:href="tpc-20250331.xsd#tpc_OwnershipPercentageInJointVenture"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b9c275d-0cd3-43f2-a8a5-840056ba10d2" xlink:to="loc_tpc_OwnershipPercentageInJointVenture_766c835e-7127-46af-babd-41f2ba1eb3ee" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDamagesSoughtValue_93163382-cb02-4a3c-9325-c4ceed0a8a24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyDamagesSoughtValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b9c275d-0cd3-43f2-a8a5-840056ba10d2" xlink:to="loc_us-gaap_LossContingencyDamagesSoughtValue_93163382-cb02-4a3c-9325-c4ceed0a8a24" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_ValueOfCounterclaimFiledInExcessOf_13020c7d-3a61-420f-85c5-29bdb1406b18" xlink:href="tpc-20250331.xsd#tpc_ValueOfCounterclaimFiledInExcessOf"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b9c275d-0cd3-43f2-a8a5-840056ba10d2" xlink:to="loc_tpc_ValueOfCounterclaimFiledInExcessOf_13020c7d-3a61-420f-85c5-29bdb1406b18" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_4e0eaa24-a4f4-40db-ba94-7a5cf5122518" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LitigationSettlementAmountAwardedToOtherParty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b9c275d-0cd3-43f2-a8a5-840056ba10d2" xlink:to="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_4e0eaa24-a4f4-40db-ba94-7a5cf5122518" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_PreTaxChargeImpactFromJuryVerdict_8024690f-d326-40eb-abcd-d9856bd71f76" xlink:href="tpc-20250331.xsd#tpc_PreTaxChargeImpactFromJuryVerdict"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b9c275d-0cd3-43f2-a8a5-840056ba10d2" xlink:to="loc_tpc_PreTaxChargeImpactFromJuryVerdict_8024690f-d326-40eb-abcd-d9856bd71f76" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_PreTaxAccrualImpactFromJuryVerdict_2c6d72fe-689c-498b-87a9-82ad2a1b866f" xlink:href="tpc-20250331.xsd#tpc_PreTaxAccrualImpactFromJuryVerdict"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b9c275d-0cd3-43f2-a8a5-840056ba10d2" xlink:to="loc_tpc_PreTaxAccrualImpactFromJuryVerdict_2c6d72fe-689c-498b-87a9-82ad2a1b866f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedFromOtherParty_8f08836d-9ace-44d9-8088-53b6597f2b53" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LitigationSettlementAmountAwardedFromOtherParty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b9c275d-0cd3-43f2-a8a5-840056ba10d2" xlink:to="loc_us-gaap_LitigationSettlementAmountAwardedFromOtherParty_8f08836d-9ace-44d9-8088-53b6597f2b53" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDamagesPaidValue_30819fb1-6ff2-495e-a07b-a8548189eeaf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyDamagesPaidValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_7b9c275d-0cd3-43f2-a8a5-840056ba10d2" xlink:to="loc_us-gaap_LossContingencyDamagesPaidValue_30819fb1-6ff2-495e-a07b-a8548189eeaf" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/ShareBasedCompensationDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#ShareBasedCompensationDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/ShareBasedCompensationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8775edd8-092e-4dbc-88f9-5ae3bf4516f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_6340ae75-1de2-46bc-bc6d-bde4d58ecf8b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8775edd8-092e-4dbc-88f9-5ae3bf4516f4" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_6340ae75-1de2-46bc-bc6d-bde4d58ecf8b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_73511e8c-41aa-4690-84fb-e099f6967a7d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_6340ae75-1de2-46bc-bc6d-bde4d58ecf8b" xlink:to="loc_us-gaap_AwardTypeAxis_73511e8c-41aa-4690-84fb-e099f6967a7d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_73511e8c-41aa-4690-84fb-e099f6967a7d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_73511e8c-41aa-4690-84fb-e099f6967a7d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_73511e8c-41aa-4690-84fb-e099f6967a7d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e85ed403-50fa-4023-863f-5ae888e097c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_73511e8c-41aa-4690-84fb-e099f6967a7d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e85ed403-50fa-4023-863f-5ae888e097c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_6f17da75-1be5-4e85-b2bd-a45c11a882a5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e85ed403-50fa-4023-863f-5ae888e097c4" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_6f17da75-1be5-4e85-b2bd-a45c11a882a5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CashSettledPerformanceStockUnitsAndCashSettledRestrictedStockUnitsMember_984e8f82-42bc-4cac-a826-634f926fb09e" xlink:href="tpc-20250331.xsd#tpc_CashSettledPerformanceStockUnitsAndCashSettledRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e85ed403-50fa-4023-863f-5ae888e097c4" xlink:to="loc_tpc_CashSettledPerformanceStockUnitsAndCashSettledRestrictedStockUnitsMember_984e8f82-42bc-4cac-a826-634f926fb09e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CashSettledServiceBasedUnitsMember_d67b8138-b0bd-46c9-86c6-4261dcc13768" xlink:href="tpc-20250331.xsd#tpc_CashSettledServiceBasedUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_CashSettledPerformanceStockUnitsAndCashSettledRestrictedStockUnitsMember_984e8f82-42bc-4cac-a826-634f926fb09e" xlink:to="loc_tpc_CashSettledServiceBasedUnitsMember_d67b8138-b0bd-46c9-86c6-4261dcc13768" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CashSettledPerformanceStockUnitsMember_fd967a7d-18bc-4e48-b29e-100691a1457c" xlink:href="tpc-20250331.xsd#tpc_CashSettledPerformanceStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_tpc_CashSettledPerformanceStockUnitsAndCashSettledRestrictedStockUnitsMember_984e8f82-42bc-4cac-a826-634f926fb09e" xlink:to="loc_tpc_CashSettledPerformanceStockUnitsMember_fd967a7d-18bc-4e48-b29e-100691a1457c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_PerformanceBasedRSUsMember_cd8d32b7-6cbe-4f2a-9eb0-39f3c9830a75" xlink:href="tpc-20250331.xsd#tpc_PerformanceBasedRSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e85ed403-50fa-4023-863f-5ae888e097c4" xlink:to="loc_tpc_PerformanceBasedRSUsMember_cd8d32b7-6cbe-4f2a-9eb0-39f3c9830a75" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_be3ac948-3f14-4a26-9fb1-6d3b104ceed4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8775edd8-092e-4dbc-88f9-5ae3bf4516f4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_be3ac948-3f14-4a26-9fb1-6d3b104ceed4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_6e9d5c95-97a2-4a57-ab93-1323e0987a4b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8775edd8-092e-4dbc-88f9-5ae3bf4516f4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_6e9d5c95-97a2-4a57-ab93-1323e0987a4b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_ac86e1ac-8fc7-412c-bb94-51dc8ea11f78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8775edd8-092e-4dbc-88f9-5ae3bf4516f4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_ac86e1ac-8fc7-412c-bb94-51dc8ea11f78" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnitsWithGuaranteedMinimumPayoutsOutstandingRecognizedLiabilities_7a1d6347-fea1-4fb6-8d03-8f5192226bdf" xlink:href="tpc-20250331.xsd#tpc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnitsWithGuaranteedMinimumPayoutsOutstandingRecognizedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8775edd8-092e-4dbc-88f9-5ae3bf4516f4" xlink:to="loc_tpc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnitsWithGuaranteedMinimumPayoutsOutstandingRecognizedLiabilities_7a1d6347-fea1-4fb6-8d03-8f5192226bdf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards_a9a4b4ca-00b2-4523-b6ad-bcb4d822a862" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8775edd8-092e-4dbc-88f9-5ae3bf4516f4" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards_a9a4b4ca-00b2-4523-b6ad-bcb4d822a862" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_bac002f0-4e6c-4829-96c3-3b936d43c8db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8775edd8-092e-4dbc-88f9-5ae3bf4516f4" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_bac002f0-4e6c-4829-96c3-3b936d43c8db" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_f44caf2f-4348-4ba7-bff9-d8a7a09d7c7a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8775edd8-092e-4dbc-88f9-5ae3bf4516f4" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_f44caf2f-4348-4ba7-bff9-d8a7a09d7c7a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_26a2a58e-8151-454b-ba6e-986f31bfbf9f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8775edd8-092e-4dbc-88f9-5ae3bf4516f4" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_26a2a58e-8151-454b-ba6e-986f31bfbf9f" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#FairValueMeasurementsAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_a10a5ce1-49f8-46c2-8143-da1357ea4bbf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_24c7d508-fc00-42df-98c2-a06da842c907" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_a10a5ce1-49f8-46c2-8143-da1357ea4bbf" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_24c7d508-fc00-42df-98c2-a06da842c907" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_ea576a63-ddb9-4df2-a6e3-812321b8571b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_24c7d508-fc00-42df-98c2-a06da842c907" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_ea576a63-ddb9-4df2-a6e3-812321b8571b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_ea576a63-ddb9-4df2-a6e3-812321b8571b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_ea576a63-ddb9-4df2-a6e3-812321b8571b" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_ea576a63-ddb9-4df2-a6e3-812321b8571b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_7b681757-c314-46f3-85ce-9de8fbca71d4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_ea576a63-ddb9-4df2-a6e3-812321b8571b" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_7b681757-c314-46f3-85ce-9de8fbca71d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_22a70224-cbb2-446b-b0e6-43cef6594905" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_7b681757-c314-46f3-85ce-9de8fbca71d4" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_22a70224-cbb2-446b-b0e6-43cef6594905" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_f09292cb-04cd-4755-aa56-053c40f8df9d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_24c7d508-fc00-42df-98c2-a06da842c907" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_f09292cb-04cd-4755-aa56-053c40f8df9d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f09292cb-04cd-4755-aa56-053c40f8df9d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_f09292cb-04cd-4755-aa56-053c40f8df9d" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f09292cb-04cd-4755-aa56-053c40f8df9d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a04bc8a2-10e4-4a43-9b6f-b0c5f1109214" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_f09292cb-04cd-4755-aa56-053c40f8df9d" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a04bc8a2-10e4-4a43-9b6f-b0c5f1109214" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_8e72ac1e-30e0-469c-ac81-758d0be0662d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a04bc8a2-10e4-4a43-9b6f-b0c5f1109214" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_8e72ac1e-30e0-469c-ac81-758d0be0662d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_b98646f7-3cf8-457e-9257-32b5c1c4d78c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a04bc8a2-10e4-4a43-9b6f-b0c5f1109214" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_b98646f7-3cf8-457e-9257-32b5c1c4d78c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_0ade2eb5-4f87-44d0-a5bd-57f01e7034e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a04bc8a2-10e4-4a43-9b6f-b0c5f1109214" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_0ade2eb5-4f87-44d0-a5bd-57f01e7034e5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_89a330e0-4c80-405a-a044-48fb77d666d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByAssetClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_24c7d508-fc00-42df-98c2-a06da842c907" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_89a330e0-4c80-405a-a044-48fb77d666d7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_89a330e0-4c80-405a-a044-48fb77d666d7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_89a330e0-4c80-405a-a044-48fb77d666d7" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_89a330e0-4c80-405a-a044-48fb77d666d7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6b6b802a-6702-472d-9f49-7da4132988f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_89a330e0-4c80-405a-a044-48fb77d666d7" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6b6b802a-6702-472d-9f49-7da4132988f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_0ff5eb68-c56b-492b-bd00-19a40be9c272" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6b6b802a-6702-472d-9f49-7da4132988f8" xlink:to="loc_us-gaap_MoneyMarketFundsMember_0ff5eb68-c56b-492b-bd00-19a40be9c272" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesMember_d1283e46-bf39-409c-b394-b7c37182aa10" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6b6b802a-6702-472d-9f49-7da4132988f8" xlink:to="loc_us-gaap_DebtSecuritiesMember_d1283e46-bf39-409c-b394-b7c37182aa10" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_6403bd5f-a2b8-41e4-a44f-a7d8f7fa79e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_a10a5ce1-49f8-46c2-8143-da1357ea4bbf" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_6403bd5f-a2b8-41e4-a44f-a7d8f7fa79e4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_6bc1ae76-d685-482b-893e-aecc7ca8aae5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_6403bd5f-a2b8-41e4-a44f-a7d8f7fa79e4" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_6bc1ae76-d685-482b-893e-aecc7ca8aae5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_RestrictedCashFairValueDisclosure_8cd58e0f-bf48-4c49-9e02-24589e62a43b" xlink:href="tpc-20250331.xsd#tpc_RestrictedCashFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_6403bd5f-a2b8-41e4-a44f-a7d8f7fa79e4" xlink:to="loc_tpc_RestrictedCashFairValueDisclosure_8cd58e0f-bf48-4c49-9e02-24589e62a43b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedInvestmentsAtFairValue_d8a21f58-c6c4-40fb-9227-94cbe089d028" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedInvestmentsAtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_6403bd5f-a2b8-41e4-a44f-a7d8f7fa79e4" xlink:to="loc_us-gaap_RestrictedInvestmentsAtFairValue_d8a21f58-c6c4-40fb-9227-94cbe089d028" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_InvestmentsInLieuOfRetainageFairValueDisclosure_b99212c6-088b-4093-84c4-58dd81c69f71" xlink:href="tpc-20250331.xsd#tpc_InvestmentsInLieuOfRetainageFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_6403bd5f-a2b8-41e4-a44f-a7d8f7fa79e4" xlink:to="loc_tpc_InvestmentsInLieuOfRetainageFairValueDisclosure_b99212c6-088b-4093-84c4-58dd81c69f71" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_07573d04-7710-4fb3-a221-44d6bc0ff2ef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_6403bd5f-a2b8-41e4-a44f-a7d8f7fa79e4" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_07573d04-7710-4fb3-a221-44d6bc0ff2ef" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CashAndCashEquivalentsMaturityTerm_f69f4460-25ce-44b2-ab68-1bb961594989" xlink:href="tpc-20250331.xsd#tpc_CashAndCashEquivalentsMaturityTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_a10a5ce1-49f8-46c2-8143-da1357ea4bbf" xlink:to="loc_tpc_CashAndCashEquivalentsMaturityTerm_f69f4460-25ce-44b2-ab68-1bb961594989" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/FairValueMeasurementsAvailableforSaleDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#FairValueMeasurementsAvailableforSaleDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/FairValueMeasurementsAvailableforSaleDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_3aa63f10-c86e-4d2f-bab9-2c2fa5ffc9ef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_140446a3-b186-4f6b-9119-de9699833cbf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_3aa63f10-c86e-4d2f-bab9-2c2fa5ffc9ef" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_140446a3-b186-4f6b-9119-de9699833cbf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_8286a787-f427-4da5-bd7b-9c417d8e1955" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByAssetClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_140446a3-b186-4f6b-9119-de9699833cbf" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_8286a787-f427-4da5-bd7b-9c417d8e1955" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_8286a787-f427-4da5-bd7b-9c417d8e1955_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_8286a787-f427-4da5-bd7b-9c417d8e1955" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_8286a787-f427-4da5-bd7b-9c417d8e1955_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_52668dde-5700-4f31-b02f-b2c3bb74258f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_8286a787-f427-4da5-bd7b-9c417d8e1955" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_52668dde-5700-4f31-b02f-b2c3bb74258f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_666da561-fceb-48c4-b063-13de523b6bd9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_52668dde-5700-4f31-b02f-b2c3bb74258f" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_666da561-fceb-48c4-b063-13de523b6bd9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_1edbf544-46b9-4181-983d-318d339d7c8e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_52668dde-5700-4f31-b02f-b2c3bb74258f" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_1edbf544-46b9-4181-983d-318d339d7c8e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MunicipalBondsMember_e18f4a17-0882-4ebf-9bec-c6eac3e8d1a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MunicipalBondsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_52668dde-5700-4f31-b02f-b2c3bb74258f" xlink:to="loc_us-gaap_MunicipalBondsMember_e18f4a17-0882-4ebf-9bec-c6eac3e8d1a7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CertificatesOfDepositMember_24f6ed19-4c51-4712-9daa-08080b2679b4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CertificatesOfDepositMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_52668dde-5700-4f31-b02f-b2c3bb74258f" xlink:to="loc_us-gaap_CertificatesOfDepositMember_24f6ed19-4c51-4712-9daa-08080b2679b4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_a3397466-3b84-4fad-830d-84add83ac81c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_140446a3-b186-4f6b-9119-de9699833cbf" xlink:to="loc_us-gaap_FinancialInstrumentAxis_a3397466-3b84-4fad-830d-84add83ac81c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_a3397466-3b84-4fad-830d-84add83ac81c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_a3397466-3b84-4fad-830d-84add83ac81c" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_a3397466-3b84-4fad-830d-84add83ac81c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_599b0dc4-df70-4418-bb6c-33dab832e0dd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_a3397466-3b84-4fad-830d-84add83ac81c" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_599b0dc4-df70-4418-bb6c-33dab832e0dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_RestrictedInvestmentsMember_44f735f3-5640-43c8-aa8e-05a9ed5a6bea" xlink:href="tpc-20250331.xsd#tpc_RestrictedInvestmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_599b0dc4-df70-4418-bb6c-33dab832e0dd" xlink:to="loc_tpc_RestrictedInvestmentsMember_44f735f3-5640-43c8-aa8e-05a9ed5a6bea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_InvestmentsInLieuOfRetentionMember_3c70afce-675e-489d-9d70-e013472a1aae" xlink:href="tpc-20250331.xsd#tpc_InvestmentsInLieuOfRetentionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_599b0dc4-df70-4418-bb6c-33dab832e0dd" xlink:to="loc_tpc_InvestmentsInLieuOfRetentionMember_3c70afce-675e-489d-9d70-e013472a1aae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss_0805e85b-feb8-47e7-a1ee-feae39717d40" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_3aa63f10-c86e-4d2f-bab9-2c2fa5ffc9ef" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss_0805e85b-feb8-47e7-a1ee-feae39717d40" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_d2b4bce1-b156-45d7-ae54-4d0a52dac84c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_3aa63f10-c86e-4d2f-bab9-2c2fa5ffc9ef" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_d2b4bce1-b156-45d7-ae54-4d0a52dac84c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_0878a0b2-098e-4de0-bfcf-5645e8335c2d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_3aa63f10-c86e-4d2f-bab9-2c2fa5ffc9ef" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_0878a0b2-098e-4de0-bfcf-5645e8335c2d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_640872af-82ea-4351-987d-d94858138f04" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_3aa63f10-c86e-4d2f-bab9-2c2fa5ffc9ef" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_640872af-82ea-4351-987d-d94858138f04" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_f877fe6a-b663-43f0-924a-faf367d9cf76" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_3aa63f10-c86e-4d2f-bab9-2c2fa5ffc9ef" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_f877fe6a-b663-43f0-924a-faf367d9cf76" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_74f8ee25-1f29-411b-969f-6ac76b847524" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_f877fe6a-b663-43f0-924a-faf367d9cf76" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_74f8ee25-1f29-411b-969f-6ac76b847524" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_2df988e3-82b9-4312-bc15-a9e99a8ed4e8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_f877fe6a-b663-43f0-924a-faf367d9cf76" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_2df988e3-82b9-4312-bc15-a9e99a8ed4e8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_d15d11ba-040b-4291-880c-b14b9bb7c58b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_f877fe6a-b663-43f0-924a-faf367d9cf76" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_d15d11ba-040b-4291-880c-b14b9bb7c58b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_26e61df0-f079-45c9-994d-e02d8f119033" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_f877fe6a-b663-43f0-924a-faf367d9cf76" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_26e61df0-f079-45c9-994d-e02d8f119033" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_16058e6d-54a6-4395-8e16-32e10f147473" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_f877fe6a-b663-43f0-924a-faf367d9cf76" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_16058e6d-54a6-4395-8e16-32e10f147473" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_13e87cac-e782-49db-8cea-254969e51ecb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_f877fe6a-b663-43f0-924a-faf367d9cf76" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_13e87cac-e782-49db-8cea-254969e51ecb" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAbstract_c1168df4-88f3-4cca-8d51-ac37fe47b8eb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_3aa63f10-c86e-4d2f-bab9-2c2fa5ffc9ef" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAbstract_c1168df4-88f3-4cca-8d51-ac37fe47b8eb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_1ff8df24-950f-4b51-b5a0-cc8ad94f7f31" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAbstract_c1168df4-88f3-4cca-8d51-ac37fe47b8eb" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_1ff8df24-950f-4b51-b5a0-cc8ad94f7f31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_e78ae5cc-f87c-4b40-baf6-eaa0b770f130" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAbstract_c1168df4-88f3-4cca-8d51-ac37fe47b8eb" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_e78ae5cc-f87c-4b40-baf6-eaa0b770f130" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_a79fb30f-b990-4c72-a637-96e84fe2151f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAbstract_c1168df4-88f3-4cca-8d51-ac37fe47b8eb" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_a79fb30f-b990-4c72-a637-96e84fe2151f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_7c47abbf-a17e-4db6-a735-a2f4a67646ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAbstract_c1168df4-88f3-4cca-8d51-ac37fe47b8eb" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_7c47abbf-a17e-4db6-a735-a2f4a67646ea" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYear5_849024e2-9627-4704-8a2c-d7e7f5f0878a" xlink:href="tpc-20250331.xsd#tpc_DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYear5"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAbstract_c1168df4-88f3-4cca-8d51-ac37fe47b8eb" xlink:to="loc_tpc_DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYear5_849024e2-9627-4704-8a2c-d7e7f5f0878a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterYear5_35da9369-f1ca-4021-8fb9-2f1e7b381097" xlink:href="tpc-20250331.xsd#tpc_DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterYear5"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAbstract_c1168df4-88f3-4cca-8d51-ac37fe47b8eb" xlink:to="loc_tpc_DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterYear5_35da9369-f1ca-4021-8fb9-2f1e7b381097" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#FairValueMeasurementsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_27e7c339-867c-4915-ba41-435e5842a5c2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_d0c6de3f-30dc-4229-a0f8-068972233694" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_27e7c339-867c-4915-ba41-435e5842a5c2" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_d0c6de3f-30dc-4229-a0f8-068972233694" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_60913b76-44b8-442c-8762-2646f5c8f62a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_d0c6de3f-30dc-4229-a0f8-068972233694" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_60913b76-44b8-442c-8762-2646f5c8f62a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_60913b76-44b8-442c-8762-2646f5c8f62a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_60913b76-44b8-442c-8762-2646f5c8f62a" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_60913b76-44b8-442c-8762-2646f5c8f62a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_f9f92125-86e6-4b83-8c4e-bd5bcd9f6c88" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_60913b76-44b8-442c-8762-2646f5c8f62a" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_f9f92125-86e6-4b83-8c4e-bd5bcd9f6c88" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_38719938-0100-4062-9a25-954d9c4d906c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_f9f92125-86e6-4b83-8c4e-bd5bcd9f6c88" xlink:to="loc_us-gaap_SeniorNotesMember_38719938-0100-4062-9a25-954d9c4d906c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_TermLoanBMember_1ce27c91-900b-4143-b451-965b4a91bda5" xlink:href="tpc-20250331.xsd#tpc_TermLoanBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_f9f92125-86e6-4b83-8c4e-bd5bcd9f6c88" xlink:to="loc_tpc_TermLoanBMember_1ce27c91-900b-4143-b451-965b4a91bda5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_c41faf76-80e9-43b6-93ba-1480cdd7b32a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_d0c6de3f-30dc-4229-a0f8-068972233694" xlink:to="loc_us-gaap_DebtInstrumentAxis_c41faf76-80e9-43b6-93ba-1480cdd7b32a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_c41faf76-80e9-43b6-93ba-1480cdd7b32a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_c41faf76-80e9-43b6-93ba-1480cdd7b32a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_c41faf76-80e9-43b6-93ba-1480cdd7b32a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_f5cc5005-6cc6-478d-9930-f00eb1739a98" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_c41faf76-80e9-43b6-93ba-1480cdd7b32a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_f5cc5005-6cc6-478d-9930-f00eb1739a98" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_A2024SeniorNotesMember_9e39f28e-f889-4ba3-9287-ec4a61ef9048" xlink:href="tpc-20250331.xsd#tpc_A2024SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_f5cc5005-6cc6-478d-9930-f00eb1739a98" xlink:to="loc_tpc_A2024SeniorNotesMember_9e39f28e-f889-4ba3-9287-ec4a61ef9048" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue_045409b3-886f-4f5e-abd2-3ac131d6f3b7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_27e7c339-867c-4915-ba41-435e5842a5c2" xlink:to="loc_us-gaap_LongTermDebtFairValue_045409b3-886f-4f5e-abd2-3ac131d6f3b7" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/VariableInterestEntitiesVIEsDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#VariableInterestEntitiesVIEsDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/VariableInterestEntitiesVIEsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_938266e7-3190-48a9-bb17-82ba2cca1bd5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_057a0070-0515-47a0-9194-6a07c9ff5248" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_938266e7-3190-48a9-bb17-82ba2cca1bd5" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_057a0070-0515-47a0-9194-6a07c9ff5248" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_d50fc3f9-4998-4c19-a482-4297b80652a7" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_057a0070-0515-47a0-9194-6a07c9ff5248" xlink:to="loc_srt_ConsolidatedEntitiesAxis_d50fc3f9-4998-4c19-a482-4297b80652a7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_d50fc3f9-4998-4c19-a482-4297b80652a7_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_d50fc3f9-4998-4c19-a482-4297b80652a7" xlink:to="loc_srt_ConsolidatedEntitiesDomain_d50fc3f9-4998-4c19-a482-4297b80652a7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_ac90d570-0fa0-4b3e-a2e9-52e91129f7c8" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_d50fc3f9-4998-4c19-a482-4297b80652a7" xlink:to="loc_srt_ConsolidatedEntitiesDomain_ac90d570-0fa0-4b3e-a2e9-52e91129f7c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember_a255971e-b51f-4b5a-a382-83045759b569" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_ac90d570-0fa0-4b3e-a2e9-52e91129f7c8" xlink:to="loc_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember_a255971e-b51f-4b5a-a382-83045759b569" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_9675b712-9bb7-4f9f-8825-b35d83925e6f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_ac90d570-0fa0-4b3e-a2e9-52e91129f7c8" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_9675b712-9bb7-4f9f-8825-b35d83925e6f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_e1dddbe8-ca3f-4837-9cee-ca601c8d5682" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_057a0070-0515-47a0-9194-6a07c9ff5248" xlink:to="loc_dei_LegalEntityAxis_e1dddbe8-ca3f-4837-9cee-ca601c8d5682" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e1dddbe8-ca3f-4837-9cee-ca601c8d5682_default" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_e1dddbe8-ca3f-4837-9cee-ca601c8d5682" xlink:to="loc_dei_EntityDomain_e1dddbe8-ca3f-4837-9cee-ca601c8d5682_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_1d45d973-5235-423a-9bd3-b20671f8bf26" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_e1dddbe8-ca3f-4837-9cee-ca601c8d5682" xlink:to="loc_dei_EntityDomain_1d45d973-5235-423a-9bd3-b20671f8bf26" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_OAndGIndustriesIncMember_9c52c836-2108-47f0-ad81-4849ac9bbe49" xlink:href="tpc-20250331.xsd#tpc_OAndGIndustriesIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1d45d973-5235-423a-9bd3-b20671f8bf26" xlink:to="loc_tpc_OAndGIndustriesIncMember_9c52c836-2108-47f0-ad81-4849ac9bbe49" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_18b74e87-2502-44a5-a70e-ca92a444c35e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_057a0070-0515-47a0-9194-6a07c9ff5248" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_18b74e87-2502-44a5-a70e-ca92a444c35e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_18b74e87-2502-44a5-a70e-ca92a444c35e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_18b74e87-2502-44a5-a70e-ca92a444c35e" xlink:to="loc_us-gaap_RelatedPartyDomain_18b74e87-2502-44a5-a70e-ca92a444c35e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_d18a2bcf-fc57-4f83-af8e-8a0f41e42bb0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_18b74e87-2502-44a5-a70e-ca92a444c35e" xlink:to="loc_us-gaap_RelatedPartyDomain_d18a2bcf-fc57-4f83-af8e-8a0f41e42bb0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_7d27d988-1b14-47c9-9d2b-3c06c7d7e089" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_d18a2bcf-fc57-4f83-af8e-8a0f41e42bb0" xlink:to="loc_us-gaap_RelatedPartyMember_7d27d988-1b14-47c9-9d2b-3c06c7d7e089" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_0fd013a7-09ab-46d4-bce5-e1188c0f115b" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_057a0070-0515-47a0-9194-6a07c9ff5248" xlink:to="loc_srt_OwnershipAxis_0fd013a7-09ab-46d4-bce5-e1188c0f115b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_0fd013a7-09ab-46d4-bce5-e1188c0f115b_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_0fd013a7-09ab-46d4-bce5-e1188c0f115b" xlink:to="loc_srt_OwnershipDomain_0fd013a7-09ab-46d4-bce5-e1188c0f115b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_376972cb-2c46-44ce-a367-c4b187b11608" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_0fd013a7-09ab-46d4-bce5-e1188c0f115b" xlink:to="loc_srt_OwnershipDomain_376972cb-2c46-44ce-a367-c4b187b11608" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_PurpleLineExtensionSection2AndSection3Member_de6ad5e2-c2ac-4317-baa3-bdb40e0cd3ae" xlink:href="tpc-20250331.xsd#tpc_PurpleLineExtensionSection2AndSection3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_376972cb-2c46-44ce-a367-c4b187b11608" xlink:to="loc_tpc_PurpleLineExtensionSection2AndSection3Member_de6ad5e2-c2ac-4317-baa3-bdb40e0cd3ae" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_ManhattanJailProjectMember_ffac8842-b30f-4ad5-83cb-ffed26f649c4" xlink:href="tpc-20250331.xsd#tpc_ManhattanJailProjectMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_376972cb-2c46-44ce-a367-c4b187b11608" xlink:to="loc_tpc_ManhattanJailProjectMember_ffac8842-b30f-4ad5-83cb-ffed26f649c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_5f781944-5197-48e3-9710-0a99b43f2ca9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_938266e7-3190-48a9-bb17-82ba2cca1bd5" xlink:to="loc_us-gaap_AssetsCurrent_5f781944-5197-48e3-9710-0a99b43f2ca9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrent_993bd8c6-f5f9-4d8b-8b78-90438b6a65f7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_938266e7-3190-48a9-bb17-82ba2cca1bd5" xlink:to="loc_us-gaap_AssetsNoncurrent_993bd8c6-f5f9-4d8b-8b78-90438b6a65f7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_d136acd6-7eba-4b10-bc40-df5a101186d5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_938266e7-3190-48a9-bb17-82ba2cca1bd5" xlink:to="loc_us-gaap_LiabilitiesCurrent_d136acd6-7eba-4b10-bc40-df5a101186d5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_FutureFundingCommitments_962022ee-d63f-49e8-a897-d99f82b071a5" xlink:href="tpc-20250331.xsd#tpc_FutureFundingCommitments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_938266e7-3190-48a9-bb17-82ba2cca1bd5" xlink:to="loc_tpc_FutureFundingCommitments_962022ee-d63f-49e8-a897-d99f82b071a5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_dadff062-e9c3-453c-8971-2726e43b9e00" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_938266e7-3190-48a9-bb17-82ba2cca1bd5" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_dadff062-e9c3-453c-8971-2726e43b9e00" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityOwnershipPercentage_9a106511-f84c-428c-9ad1-05995c4657fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableInterestEntityOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_938266e7-3190-48a9-bb17-82ba2cca1bd5" xlink:to="loc_us-gaap_VariableInterestEntityOwnershipPercentage_9a106511-f84c-428c-9ad1-05995c4657fa" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_e60cda3e-dab4-4294-9fdb-adfa3930179c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_938266e7-3190-48a9-bb17-82ba2cca1bd5" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_e60cda3e-dab4-4294-9fdb-adfa3930179c" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/ChangesinEquityDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#ChangesinEquityDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/ChangesinEquityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_836208e7-e04d-4858-8cd3-4ada0bdcc822" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_5c839c28-2d5d-49a4-bc86-97e0f1aa44b6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_836208e7-e04d-4858-8cd3-4ada0bdcc822" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_5c839c28-2d5d-49a4-bc86-97e0f1aa44b6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_9c2aca34-7dde-4603-ad0b-1c3372e41c62" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_5c839c28-2d5d-49a4-bc86-97e0f1aa44b6" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_9c2aca34-7dde-4603-ad0b-1c3372e41c62" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_9c2aca34-7dde-4603-ad0b-1c3372e41c62_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_9c2aca34-7dde-4603-ad0b-1c3372e41c62" xlink:to="loc_us-gaap_EquityComponentDomain_9c2aca34-7dde-4603-ad0b-1c3372e41c62_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_7f8b0afb-1322-41d9-b11d-5a0f8a10da1c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_9c2aca34-7dde-4603-ad0b-1c3372e41c62" xlink:to="loc_us-gaap_EquityComponentDomain_7f8b0afb-1322-41d9-b11d-5a0f8a10da1c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_30a58c95-b6b5-4d27-aaeb-8d37ff34b8ba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7f8b0afb-1322-41d9-b11d-5a0f8a10da1c" xlink:to="loc_us-gaap_CommonStockMember_30a58c95-b6b5-4d27-aaeb-8d37ff34b8ba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_fcc14dc1-7d54-4ff2-886d-42635c4f116b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7f8b0afb-1322-41d9-b11d-5a0f8a10da1c" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_fcc14dc1-7d54-4ff2-886d-42635c4f116b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_c7ab5784-0cbc-4933-ac9d-fcbf94c2cea2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7f8b0afb-1322-41d9-b11d-5a0f8a10da1c" xlink:to="loc_us-gaap_RetainedEarningsMember_c7ab5784-0cbc-4933-ac9d-fcbf94c2cea2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_64f7c8dc-6299-4111-aeea-5daa7a09bc01" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7f8b0afb-1322-41d9-b11d-5a0f8a10da1c" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_64f7c8dc-6299-4111-aeea-5daa7a09bc01" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_7d821c16-2cb4-4dd1-a101-eb5e4405fbe9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7f8b0afb-1322-41d9-b11d-5a0f8a10da1c" xlink:to="loc_us-gaap_NoncontrollingInterestMember_7d821c16-2cb4-4dd1-a101-eb5e4405fbe9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_27a26082-18aa-46b7-9ffc-e83e9a7589a1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_836208e7-e04d-4858-8cd3-4ada0bdcc822" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_27a26082-18aa-46b7-9ffc-e83e9a7589a1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_7f9b0561-fda0-44b4-ade9-62a663862e86" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_27a26082-18aa-46b7-9ffc-e83e9a7589a1" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_7f9b0561-fda0-44b4-ade9-62a663862e86" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_064742e6-9cce-48ee-a7cb-7679918faeaa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_27a26082-18aa-46b7-9ffc-e83e9a7589a1" xlink:to="loc_us-gaap_ProfitLoss_064742e6-9cce-48ee-a7cb-7679918faeaa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e614c144-b519-40ce-b744-ff14d1764844" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_27a26082-18aa-46b7-9ffc-e83e9a7589a1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e614c144-b519-40ce-b744-ff14d1764844" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_bd515b2b-4486-4b97-8f24-8fc143d17d1c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_27a26082-18aa-46b7-9ffc-e83e9a7589a1" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_bd515b2b-4486-4b97-8f24-8fc143d17d1c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_IssuanceOfCommonStockNet_1c5d332d-dbf8-4e5d-9de3-808481d9eab1" xlink:href="tpc-20250331.xsd#tpc_IssuanceOfCommonStockNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_27a26082-18aa-46b7-9ffc-e83e9a7589a1" xlink:to="loc_tpc_IssuanceOfCommonStockNet_1c5d332d-dbf8-4e5d-9de3-808481d9eab1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_1f2e530f-420d-40c0-bdab-7bebb16ee4a4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_27a26082-18aa-46b7-9ffc-e83e9a7589a1" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_1f2e530f-420d-40c0-bdab-7bebb16ee4a4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_64206e65-c871-4b29-b612-e6d5c7a4f566" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/OtherComprehensiveIncomeLossScheduleofComponentsofOtherComprehensiveIncomeLossandRelatedTaxEffectsDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#OtherComprehensiveIncomeLossScheduleofComponentsofOtherComprehensiveIncomeLossandRelatedTaxEffectsDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/OtherComprehensiveIncomeLossScheduleofComponentsofOtherComprehensiveIncomeLossandRelatedTaxEffectsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_ea7c690a-2f13-4b56-993e-66b9a16cb019" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_1c86db84-bb16-4136-8a39-88c04328d949" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_ea7c690a-2f13-4b56-993e-66b9a16cb019" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_1c86db84-bb16-4136-8a39-88c04328d949" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_1e0652e0-214d-465c-a984-b730c7ef011f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_1c86db84-bb16-4136-8a39-88c04328d949" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_1e0652e0-214d-465c-a984-b730c7ef011f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_1e0652e0-214d-465c-a984-b730c7ef011f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_1e0652e0-214d-465c-a984-b730c7ef011f" xlink:to="loc_us-gaap_EquityComponentDomain_1e0652e0-214d-465c-a984-b730c7ef011f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_d5494b39-8c63-44d9-b558-59babf2d4969" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_1e0652e0-214d-465c-a984-b730c7ef011f" xlink:to="loc_us-gaap_EquityComponentDomain_d5494b39-8c63-44d9-b558-59babf2d4969" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e8e7ab53-2768-49b2-b57b-30e97913e9e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_d5494b39-8c63-44d9-b558-59babf2d4969" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e8e7ab53-2768-49b2-b57b-30e97913e9e1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember_b43f482e-c900-4c94-942d-f111c70cd64c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e8e7ab53-2768-49b2-b57b-30e97913e9e1" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember_b43f482e-c900-4c94-942d-f111c70cd64c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember_19042b07-1595-4f65-9ef4-466ac05313f6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e8e7ab53-2768-49b2-b57b-30e97913e9e1" xlink:to="loc_us-gaap_AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember_19042b07-1595-4f65-9ef4-466ac05313f6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossFinancialLiabilityFairValueOptionIncludingPortionAttributableToNoncontrollingInterestMember_681aaecf-a471-40a0-ba5f-e006de5c8547" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedGainLossFinancialLiabilityFairValueOptionIncludingPortionAttributableToNoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e8e7ab53-2768-49b2-b57b-30e97913e9e1" xlink:to="loc_us-gaap_AccumulatedGainLossFinancialLiabilityFairValueOptionIncludingPortionAttributableToNoncontrollingInterestMember_681aaecf-a471-40a0-ba5f-e006de5c8547" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_121a74bd-94ad-4de4-b0e5-55233a2cc83a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e8e7ab53-2768-49b2-b57b-30e97913e9e1" xlink:to="loc_us-gaap_NoncontrollingInterestMember_121a74bd-94ad-4de4-b0e5-55233a2cc83a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_0934fd2d-f678-4d9a-8a19-93d6e93791d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_ea7c690a-2f13-4b56-993e-66b9a16cb019" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_0934fd2d-f678-4d9a-8a19-93d6e93791d7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_886dc7df-e5e0-4fd4-8e16-ca0fd9e6ad36" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_ea7c690a-2f13-4b56-993e-66b9a16cb019" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_886dc7df-e5e0-4fd4-8e16-ca0fd9e6ad36" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_b13a2cb6-b32f-43bb-bf54-338efecbaea4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_ea7c690a-2f13-4b56-993e-66b9a16cb019" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_b13a2cb6-b32f-43bb-bf54-338efecbaea4" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/OtherComprehensiveIncomeLossScheduleofChangesinAOCIBalancesbyComponentAfterTaxDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#OtherComprehensiveIncomeLossScheduleofChangesinAOCIBalancesbyComponentAfterTaxDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/OtherComprehensiveIncomeLossScheduleofChangesinAOCIBalancesbyComponentAfterTaxDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_f1771af5-e258-4c2a-8e16-a19bddd384f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_bd88cb03-d577-46d7-9817-fa2c216035db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_f1771af5-e258-4c2a-8e16-a19bddd384f9" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_bd88cb03-d577-46d7-9817-fa2c216035db" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_9aa21e1f-8172-48b4-a65c-18ee7a31dac7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_bd88cb03-d577-46d7-9817-fa2c216035db" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_9aa21e1f-8172-48b4-a65c-18ee7a31dac7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_9aa21e1f-8172-48b4-a65c-18ee7a31dac7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_9aa21e1f-8172-48b4-a65c-18ee7a31dac7" xlink:to="loc_us-gaap_EquityComponentDomain_9aa21e1f-8172-48b4-a65c-18ee7a31dac7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_a75edd67-8f17-4359-b2ff-4bd57e63f98e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_9aa21e1f-8172-48b4-a65c-18ee7a31dac7" xlink:to="loc_us-gaap_EquityComponentDomain_a75edd67-8f17-4359-b2ff-4bd57e63f98e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_bbacdbe2-2418-41df-97fb-796f43cb1c0a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a75edd67-8f17-4359-b2ff-4bd57e63f98e" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_bbacdbe2-2418-41df-97fb-796f43cb1c0a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_85ec46ff-e515-4830-825e-978d8dc74032" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_bbacdbe2-2418-41df-97fb-796f43cb1c0a" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_85ec46ff-e515-4830-825e-978d8dc74032" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_4841a3bf-10a8-4535-a81d-333732ae7dda" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_bbacdbe2-2418-41df-97fb-796f43cb1c0a" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_4841a3bf-10a8-4535-a81d-333732ae7dda" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_634425ef-02d8-4e20-a12a-903c3f06b34e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_bbacdbe2-2418-41df-97fb-796f43cb1c0a" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_634425ef-02d8-4e20-a12a-903c3f06b34e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AociAttributableToNoncontrollingInterestMember_56674909-aa37-475d-ada1-1de8dfb5e55b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AociAttributableToNoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a75edd67-8f17-4359-b2ff-4bd57e63f98e" xlink:to="loc_us-gaap_AociAttributableToNoncontrollingInterestMember_56674909-aa37-475d-ada1-1de8dfb5e55b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentAttributableToNoncontrollingInterestMember_4fac909b-d4ca-461c-aa6f-7d79f3cb5a55" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentAttributableToNoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AociAttributableToNoncontrollingInterestMember_56674909-aa37-475d-ada1-1de8dfb5e55b" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentAttributableToNoncontrollingInterestMember_4fac909b-d4ca-461c-aa6f-7d79f3cb5a55" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterestMember_f952fdf4-4c87-4405-92da-cec4256d57bd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AociAttributableToNoncontrollingInterestMember_56674909-aa37-475d-ada1-1de8dfb5e55b" xlink:to="loc_us-gaap_AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterestMember_f952fdf4-4c87-4405-92da-cec4256d57bd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetInvestmentGainLossAttributableToNoncontrollingInterestMember_1bbe70d8-6c72-45ee-9343-680db6773553" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedNetInvestmentGainLossAttributableToNoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AociAttributableToNoncontrollingInterestMember_56674909-aa37-475d-ada1-1de8dfb5e55b" xlink:to="loc_us-gaap_AccumulatedNetInvestmentGainLossAttributableToNoncontrollingInterestMember_1bbe70d8-6c72-45ee-9343-680db6773553" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_3cf6f99b-e53f-4cc3-8069-d880ae6979e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_f1771af5-e258-4c2a-8e16-a19bddd384f9" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_3cf6f99b-e53f-4cc3-8069-d880ae6979e2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_6ae902e0-685a-4a96-a7cd-e1bb00be6a46" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_3cf6f99b-e53f-4cc3-8069-d880ae6979e2" xlink:to="loc_us-gaap_StockholdersEquity_6ae902e0-685a-4a96-a7cd-e1bb00be6a46" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_ea235546-9833-41b6-afc4-5833ac80e11a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_3cf6f99b-e53f-4cc3-8069-d880ae6979e2" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_ea235546-9833-41b6-afc4-5833ac80e11a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_4823a0ae-9ba6-45dc-8776-b849e68cff3f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_3cf6f99b-e53f-4cc3-8069-d880ae6979e2" xlink:to="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_4823a0ae-9ba6-45dc-8776-b849e68cff3f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_58b94c5e-3096-47e8-acae-950d4fbff1ba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_3cf6f99b-e53f-4cc3-8069-d880ae6979e2" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_58b94c5e-3096-47e8-acae-950d4fbff1ba" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5de0258b-a87b-44d7-8de2-65b955c272f1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_3cf6f99b-e53f-4cc3-8069-d880ae6979e2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5de0258b-a87b-44d7-8de2-65b955c272f1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_fc89fbb0-67e7-4ddb-86dd-cd91139aeb30" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_3cf6f99b-e53f-4cc3-8069-d880ae6979e2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_fc89fbb0-67e7-4ddb-86dd-cd91139aeb30" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_c18b71a0-1721-4357-88d4-e180c1d2a2df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_255651a9-4e43-4935-9474-00c0dd787f45" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/OtherComprehensiveIncomeLossAOCIReclassificationsDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#OtherComprehensiveIncomeLossAOCIReclassificationsDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/OtherComprehensiveIncomeLossAOCIReclassificationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_8596e027-8453-43ea-b027-e53999d49c36" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_7b125f72-981c-462e-8fcc-d8abba2e7280" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_8596e027-8453-43ea-b027-e53999d49c36" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_7b125f72-981c-462e-8fcc-d8abba2e7280" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_fd38b4b7-ffb0-4e2a-8021-d434251dd6d6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_7b125f72-981c-462e-8fcc-d8abba2e7280" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_fd38b4b7-ffb0-4e2a-8021-d434251dd6d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_fd38b4b7-ffb0-4e2a-8021-d434251dd6d6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_fd38b4b7-ffb0-4e2a-8021-d434251dd6d6" xlink:to="loc_us-gaap_EquityComponentDomain_fd38b4b7-ffb0-4e2a-8021-d434251dd6d6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_0f2cae1b-e2e1-4f9c-a113-803052f1994b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_fd38b4b7-ffb0-4e2a-8021-d434251dd6d6" xlink:to="loc_us-gaap_EquityComponentDomain_0f2cae1b-e2e1-4f9c-a113-803052f1994b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_9f7d50d0-f9b0-4577-aed2-6d4047372e36" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_0f2cae1b-e2e1-4f9c-a113-803052f1994b" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_9f7d50d0-f9b0-4577-aed2-6d4047372e36" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossFinancialLiabilityFairValueOptionAttributableToParentMember_25f8fcc2-ea4a-48f1-9c68-f16a5258b7d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedGainLossFinancialLiabilityFairValueOptionAttributableToParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_0f2cae1b-e2e1-4f9c-a113-803052f1994b" xlink:to="loc_us-gaap_AccumulatedGainLossFinancialLiabilityFairValueOptionAttributableToParentMember_25f8fcc2-ea4a-48f1-9c68-f16a5258b7d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_947e9c7c-c216-4947-8ffc-379d50a795bf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_7b125f72-981c-462e-8fcc-d8abba2e7280" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_947e9c7c-c216-4947-8ffc-379d50a795bf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_947e9c7c-c216-4947-8ffc-379d50a795bf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_947e9c7c-c216-4947-8ffc-379d50a795bf" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_947e9c7c-c216-4947-8ffc-379d50a795bf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_032036a4-5efc-46a5-aa48-810ae239e8c6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_947e9c7c-c216-4947-8ffc-379d50a795bf" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_032036a4-5efc-46a5-aa48-810ae239e8c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_2ba8e7f7-2377-4b5b-bb4c-c3704dbd8aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_032036a4-5efc-46a5-aa48-810ae239e8c6" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_2ba8e7f7-2377-4b5b-bb4c-c3704dbd8aa0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_2c63b400-ae7e-4c81-ad9f-2fe661b13928" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_8596e027-8453-43ea-b027-e53999d49c36" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_2c63b400-ae7e-4c81-ad9f-2fe661b13928" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_3454ad5a-d189-4b88-8a7f-3952bfad87aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_8596e027-8453-43ea-b027-e53999d49c36" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_3454ad5a-d189-4b88-8a7f-3952bfad87aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_bc0355a9-30a4-4e5d-b4cf-fc0645831f1e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_8596e027-8453-43ea-b027-e53999d49c36" xlink:to="loc_us-gaap_NetIncomeLoss_bc0355a9-30a4-4e5d-b4cf-fc0645831f1e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/BusinessSegmentsNarrativeDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#BusinessSegmentsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/BusinessSegmentsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_e53ea29b-666a-42b8-828d-765be831fc49" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_1ae3bd27-2c42-4328-87bd-13a5343086b7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_e53ea29b-666a-42b8-828d-765be831fc49" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_1ae3bd27-2c42-4328-87bd-13a5343086b7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_2ce65ac9-b23a-4ed7-b279-182e3765517f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_1ae3bd27-2c42-4328-87bd-13a5343086b7" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_2ce65ac9-b23a-4ed7-b279-182e3765517f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_2ce65ac9-b23a-4ed7-b279-182e3765517f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_2ce65ac9-b23a-4ed7-b279-182e3765517f" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_2ce65ac9-b23a-4ed7-b279-182e3765517f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_773d3669-678d-4e10-8672-3f0561f511f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_2ce65ac9-b23a-4ed7-b279-182e3765517f" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_773d3669-678d-4e10-8672-3f0561f511f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_c02011cf-4c39-4827-91bb-164dd4a5f936" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SalesRevenueNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_773d3669-678d-4e10-8672-3f0561f511f8" xlink:to="loc_us-gaap_SalesRevenueNetMember_c02011cf-4c39-4827-91bb-164dd4a5f936" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_1ce2a4e4-610c-4526-9105-af6bc110dedd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_1ae3bd27-2c42-4328-87bd-13a5343086b7" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_1ce2a4e4-610c-4526-9105-af6bc110dedd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_1ce2a4e4-610c-4526-9105-af6bc110dedd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_1ce2a4e4-610c-4526-9105-af6bc110dedd" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_1ce2a4e4-610c-4526-9105-af6bc110dedd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_23a2273d-0421-4f87-8778-beaa939a5aab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_1ce2a4e4-610c-4526-9105-af6bc110dedd" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_23a2273d-0421-4f87-8778-beaa939a5aab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_fef27fa0-2c49-460d-ad2d-55f8c19bc9a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_23a2273d-0421-4f87-8778-beaa939a5aab" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_fef27fa0-2c49-460d-ad2d-55f8c19bc9a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_96bf590e-20c9-4dff-a11e-80e0e278ba62" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_1ae3bd27-2c42-4328-87bd-13a5343086b7" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_96bf590e-20c9-4dff-a11e-80e0e278ba62" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_96bf590e-20c9-4dff-a11e-80e0e278ba62_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_96bf590e-20c9-4dff-a11e-80e0e278ba62" xlink:to="loc_us-gaap_SegmentDomain_96bf590e-20c9-4dff-a11e-80e0e278ba62_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_9bb24ee5-2af7-49a3-a368-409edcd905e8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_96bf590e-20c9-4dff-a11e-80e0e278ba62" xlink:to="loc_us-gaap_SegmentDomain_9bb24ee5-2af7-49a3-a368-409edcd905e8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CivilBuildingAndSpecialtyContractorsMember_bfe6b043-f23b-443b-b626-f295dd19cec1" xlink:href="tpc-20250331.xsd#tpc_CivilBuildingAndSpecialtyContractorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_9bb24ee5-2af7-49a3-a368-409edcd905e8" xlink:to="loc_tpc_CivilBuildingAndSpecialtyContractorsMember_bfe6b043-f23b-443b-b626-f295dd19cec1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_5e9148cb-45ab-4ae0-8185-f2389bc42926" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_e53ea29b-666a-42b8-828d-765be831fc49" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_5e9148cb-45ab-4ae0-8185-f2389bc42926" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/BusinessSegmentsReportableSegmentsDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#BusinessSegmentsReportableSegmentsDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/BusinessSegmentsReportableSegmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_f9012652-730d-4d8d-be31-ce0a0d2f8439" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4071e0b0-ff53-46f1-976a-6487e9f56f22" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f9012652-730d-4d8d-be31-ce0a0d2f8439" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4071e0b0-ff53-46f1-976a-6487e9f56f22" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_4550bde4-fc99-4586-8edb-4619371212b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4071e0b0-ff53-46f1-976a-6487e9f56f22" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_4550bde4-fc99-4586-8edb-4619371212b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_4550bde4-fc99-4586-8edb-4619371212b2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_4550bde4-fc99-4586-8edb-4619371212b2" xlink:to="loc_us-gaap_SegmentDomain_4550bde4-fc99-4586-8edb-4619371212b2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_6a488bbe-b200-4135-8f0f-8f8c9a41f781" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_4550bde4-fc99-4586-8edb-4619371212b2" xlink:to="loc_us-gaap_SegmentDomain_6a488bbe-b200-4135-8f0f-8f8c9a41f781" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CivilMember_81e4450b-9355-4090-a65e-636c43a81e14" xlink:href="tpc-20250331.xsd#tpc_CivilMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6a488bbe-b200-4135-8f0f-8f8c9a41f781" xlink:to="loc_tpc_CivilMember_81e4450b-9355-4090-a65e-636c43a81e14" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_BuildingGroupMember_2f6edf96-1982-4bd7-bebb-34e59d55530a" xlink:href="tpc-20250331.xsd#tpc_BuildingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6a488bbe-b200-4135-8f0f-8f8c9a41f781" xlink:to="loc_tpc_BuildingGroupMember_2f6edf96-1982-4bd7-bebb-34e59d55530a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_SpecialtyContractorsMember_b4d6e2fb-7f7c-42a9-bdde-654391014a55" xlink:href="tpc-20250331.xsd#tpc_SpecialtyContractorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6a488bbe-b200-4135-8f0f-8f8c9a41f781" xlink:to="loc_tpc_SpecialtyContractorsMember_b4d6e2fb-7f7c-42a9-bdde-654391014a55" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_a4b1a272-11ae-4b69-ada2-1f4afeb54d7f" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4071e0b0-ff53-46f1-976a-6487e9f56f22" xlink:to="loc_srt_ConsolidationItemsAxis_a4b1a272-11ae-4b69-ada2-1f4afeb54d7f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_a4b1a272-11ae-4b69-ada2-1f4afeb54d7f_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_a4b1a272-11ae-4b69-ada2-1f4afeb54d7f" xlink:to="loc_srt_ConsolidationItemsDomain_a4b1a272-11ae-4b69-ada2-1f4afeb54d7f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_4022ed7f-b1eb-4bb6-92f8-e5fb846bfbea" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_a4b1a272-11ae-4b69-ada2-1f4afeb54d7f" xlink:to="loc_srt_ConsolidationItemsDomain_4022ed7f-b1eb-4bb6-92f8-e5fb846bfbea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_02c6d6b9-d349-4820-9f2d-daa4823cf8c8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_4022ed7f-b1eb-4bb6-92f8-e5fb846bfbea" xlink:to="loc_us-gaap_OperatingSegmentsMember_02c6d6b9-d349-4820-9f2d-daa4823cf8c8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_82cab206-38c6-4b17-8f33-715bd2797aa3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_4022ed7f-b1eb-4bb6-92f8-e5fb846bfbea" xlink:to="loc_us-gaap_IntersegmentEliminationMember_82cab206-38c6-4b17-8f33-715bd2797aa3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_7a030f14-84a7-45c0-893f-f48f5bb482d1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_4022ed7f-b1eb-4bb6-92f8-e5fb846bfbea" xlink:to="loc_us-gaap_CorporateNonSegmentMember_7a030f14-84a7-45c0-893f-f48f5bb482d1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_a3f4deaa-6754-4fa5-9686-b7a3d0581ee3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f9012652-730d-4d8d-be31-ce0a0d2f8439" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_a3f4deaa-6754-4fa5-9686-b7a3d0581ee3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_c8dcf7c0-1e10-4baa-b337-aa09822a3289" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f9012652-730d-4d8d-be31-ce0a0d2f8439" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_c8dcf7c0-1e10-4baa-b337-aa09822a3289" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_581a9bee-c244-4aa0-b5a0-2d853298b3d9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f9012652-730d-4d8d-be31-ce0a0d2f8439" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_581a9bee-c244-4aa0-b5a0-2d853298b3d9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_d5dd4dee-4adf-4b67-b059-faf33c319deb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f9012652-730d-4d8d-be31-ce0a0d2f8439" xlink:to="loc_us-gaap_OperatingIncomeLoss_d5dd4dee-4adf-4b67-b059-faf33c319deb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_22068a4f-04d2-4763-9ef6-68b80c194529" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f9012652-730d-4d8d-be31-ce0a0d2f8439" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_22068a4f-04d2-4763-9ef6-68b80c194529" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_ee7bbb2b-d518-4b66-892d-0be3f13a6183" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f9012652-730d-4d8d-be31-ce0a0d2f8439" xlink:to="loc_us-gaap_DepreciationAndAmortization_ee7bbb2b-d518-4b66-892d-0be3f13a6183" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_b155d9eb-a110-49e1-81f0-037bfe2bcd4e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f9012652-730d-4d8d-be31-ce0a0d2f8439" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_b155d9eb-a110-49e1-81f0-037bfe2bcd4e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_ShareBasedCompensationExpenseAfterTax_c289d093-667f-46d8-8004-100a8e78d607" xlink:href="tpc-20250331.xsd#tpc_ShareBasedCompensationExpenseAfterTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f9012652-730d-4d8d-be31-ce0a0d2f8439" xlink:to="loc_tpc_ShareBasedCompensationExpenseAfterTax_c289d093-667f-46d8-8004-100a8e78d607" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_ShareBasedCompensationExpenseAfterTaxPerShare_04742f29-0406-4a04-a75a-bf63c3c8d8e4" xlink:href="tpc-20250331.xsd#tpc_ShareBasedCompensationExpenseAfterTaxPerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_f9012652-730d-4d8d-be31-ce0a0d2f8439" xlink:to="loc_tpc_ShareBasedCompensationExpenseAfterTaxPerShare_04742f29-0406-4a04-a75a-bf63c3c8d8e4" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/BusinessSegmentsTotalAssetsforReportableSegmentsDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#BusinessSegmentsTotalAssetsforReportableSegmentsDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/BusinessSegmentsTotalAssetsforReportableSegmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_73e7ff88-c4a0-4e19-99b8-12e29f002fcd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b0d2556a-7a54-403b-a97c-cc198a56e6a3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_73e7ff88-c4a0-4e19-99b8-12e29f002fcd" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b0d2556a-7a54-403b-a97c-cc198a56e6a3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_78d658fa-4c1c-4339-a056-2240d4ea4526" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b0d2556a-7a54-403b-a97c-cc198a56e6a3" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_78d658fa-4c1c-4339-a056-2240d4ea4526" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_78d658fa-4c1c-4339-a056-2240d4ea4526_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_78d658fa-4c1c-4339-a056-2240d4ea4526" xlink:to="loc_us-gaap_SegmentDomain_78d658fa-4c1c-4339-a056-2240d4ea4526_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_4fe496e8-9388-475c-b249-9f942b7a7186" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_78d658fa-4c1c-4339-a056-2240d4ea4526" xlink:to="loc_us-gaap_SegmentDomain_4fe496e8-9388-475c-b249-9f942b7a7186" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_CivilMember_3e660b7d-1843-4995-8ae0-29a6acf76233" xlink:href="tpc-20250331.xsd#tpc_CivilMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4fe496e8-9388-475c-b249-9f942b7a7186" xlink:to="loc_tpc_CivilMember_3e660b7d-1843-4995-8ae0-29a6acf76233" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_BuildingGroupMember_0b9290e7-e94c-47d7-906b-640e8cf55b11" xlink:href="tpc-20250331.xsd#tpc_BuildingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4fe496e8-9388-475c-b249-9f942b7a7186" xlink:to="loc_tpc_BuildingGroupMember_0b9290e7-e94c-47d7-906b-640e8cf55b11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_tpc_SpecialtyContractorsMember_b1a0adef-eed1-4976-b1b0-f89ca2bc5eff" xlink:href="tpc-20250331.xsd#tpc_SpecialtyContractorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4fe496e8-9388-475c-b249-9f942b7a7186" xlink:to="loc_tpc_SpecialtyContractorsMember_b1a0adef-eed1-4976-b1b0-f89ca2bc5eff" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_c43c2ca3-27aa-44e1-b1c9-b4d39cd6a88c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b0d2556a-7a54-403b-a97c-cc198a56e6a3" xlink:to="loc_srt_ConsolidationItemsAxis_c43c2ca3-27aa-44e1-b1c9-b4d39cd6a88c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_c43c2ca3-27aa-44e1-b1c9-b4d39cd6a88c_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_c43c2ca3-27aa-44e1-b1c9-b4d39cd6a88c" xlink:to="loc_srt_ConsolidationItemsDomain_c43c2ca3-27aa-44e1-b1c9-b4d39cd6a88c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_acc17dbd-4375-4d26-86af-674fe3ef78ca" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_c43c2ca3-27aa-44e1-b1c9-b4d39cd6a88c" xlink:to="loc_srt_ConsolidationItemsDomain_acc17dbd-4375-4d26-86af-674fe3ef78ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_a8b41fd9-7724-496a-aa0b-44e2a505351c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_acc17dbd-4375-4d26-86af-674fe3ef78ca" xlink:to="loc_us-gaap_OperatingSegmentsMember_a8b41fd9-7724-496a-aa0b-44e2a505351c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_7f05772e-bcc5-4b2b-b717-95f63d13c5b3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_acc17dbd-4375-4d26-86af-674fe3ef78ca" xlink:to="loc_us-gaap_CorporateNonSegmentMember_7f05772e-bcc5-4b2b-b717-95f63d13c5b3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_bdcd685b-5680-4150-96b6-1a91c112e90b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_73e7ff88-c4a0-4e19-99b8-12e29f002fcd" xlink:to="loc_us-gaap_Assets_bdcd685b-5680-4150-96b6-1a91c112e90b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.tutorperini.com/role/BusinessSegmentsScheduleofPrincipalGeographicalAreasDetails" xlink:type="simple" xlink:href="tpc-20250331.xsd#BusinessSegmentsScheduleofPrincipalGeographicalAreasDetails"/>
  <link:definitionLink xlink:role="http://www.tutorperini.com/role/BusinessSegmentsScheduleofPrincipalGeographicalAreasDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_6757dc94-0c38-4687-8de6-a4ecf3df2040" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_1ffef2eb-6453-4383-b729-891a127acd69" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_6757dc94-0c38-4687-8de6-a4ecf3df2040" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_1ffef2eb-6453-4383-b729-891a127acd69" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_09676541-1772-460f-b792-6d86c2cdb94d" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_1ffef2eb-6453-4383-b729-891a127acd69" xlink:to="loc_srt_StatementGeographicalAxis_09676541-1772-460f-b792-6d86c2cdb94d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_09676541-1772-460f-b792-6d86c2cdb94d_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_09676541-1772-460f-b792-6d86c2cdb94d" xlink:to="loc_srt_SegmentGeographicalDomain_09676541-1772-460f-b792-6d86c2cdb94d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_e6a3ad51-eebc-49eb-8a38-79a6aac0a530" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_09676541-1772-460f-b792-6d86c2cdb94d" xlink:to="loc_srt_SegmentGeographicalDomain_e6a3ad51-eebc-49eb-8a38-79a6aac0a530" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_97b6b161-31d0-44ae-9d67-6b4dd8f1f9f6" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_e6a3ad51-eebc-49eb-8a38-79a6aac0a530" xlink:to="loc_country_US_97b6b161-31d0-44ae-9d67-6b4dd8f1f9f6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonUsMember_00451aae-8eb4-4ef7-801a-8db15f951cbb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_e6a3ad51-eebc-49eb-8a38-79a6aac0a530" xlink:to="loc_us-gaap_NonUsMember_00451aae-8eb4-4ef7-801a-8db15f951cbb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentsGeographicalAreasAbstract_f69b2394-b79d-4707-ae91-e7bff4cc6203" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentsGeographicalAreasAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_6757dc94-0c38-4687-8de6-a4ecf3df2040" xlink:to="loc_us-gaap_SegmentsGeographicalAreasAbstract_f69b2394-b79d-4707-ae91-e7bff4cc6203" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_c2628150-bfd1-4884-977c-9b01d49665a6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentsGeographicalAreasAbstract_f69b2394-b79d-4707-ae91-e7bff4cc6203" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_c2628150-bfd1-4884-977c-9b01d49665a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_ca3eaf7d-2a2a-42bb-b256-9ebe9d014b28" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentsGeographicalAreasAbstract_f69b2394-b79d-4707-ae91-e7bff4cc6203" xlink:to="loc_us-gaap_Assets_ca3eaf7d-2a2a-42bb-b256-9ebe9d014b28" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-roles-2024.xsd#eedm"/>
  <link:definitionLink xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_OtherAssetsNoncurrent" xlink:type="arc" order="101"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent" xlink:type="arc" order="41"/>
  </link:definitionLink>
</link:linkbase>
