Definition of overhaul verb from the Oxford Advanced Learner's Dictionary

     

    overhaul

     verb
    verb
    BrE BrE//ˌəʊvəˈhɔːl//
     
    ; NAmE NAmE//ˌoʊvərˈhɔːl//
     
    Verb Forms present simple I / you / we / they overhaul
    BrE BrE//ˌəʊvəˈhɔːl//
     
    ; NAmE NAmE//ˌoʊvərˈhɔːl//
     
    he / she / it overhauls
    BrE BrE//ˌəʊvəˈhɔːlz//
     
    ; NAmE NAmE//ˌoʊvərˈhɔːlz//
     
    past simple overhauled
    BrE BrE//ˌəʊvəˈhɔːld//
     
    ; NAmE NAmE//ˌoʊvərˈhɔːld//
     
    past participle overhauled
    BrE BrE//ˌəʊvəˈhɔːld//
     
    ; NAmE NAmE//ˌoʊvərˈhɔːld//
     
    -ing form overhauling
    BrE BrE//ˌəʊvəˈhɔːlɪŋ//
     
    ; NAmE NAmE//ˌoʊvərˈhɔːlɪŋ//
     
    How machines work
     
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  1. 1overhaul something to examine every part of a machine, system, etc. and make any necessary changes or repairs The engine has been completely overhauled. See related entries: How machines work
  2. 2overhaul somebody to come from behind a person you are competing against in a race and go past them synonym overtake He managed to overhaul the leader on the final lap.
  3. Word Origin early 17th cent. (originally in nautical use in the sense ‘release rope tackle by slackening’): from over- + haul.Extra examples The plan was completely overhauled. Within a year the party had drastically overhauled its structure. The company was called in to overhaul the railroad system. The whole structure needs to be overhauled.
See the Oxford Advanced American Dictionary entry: overhaul

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