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

     

    quash

     verb
    verb
    BrE BrE//kwɒʃ//
     
    ; NAmE NAmE//kwɔːʃ//
     
    , NAmE//kwɑːʃ//
     
    Verb Forms present simple I / you / we / they quash
    BrE BrE//kwɒʃ//
     
    ; NAmE NAmE//kwɔːʃ//
     
    , NAmE//kwɑːʃ//
     
    he / she / it quashes
    BrE BrE//ˈkwɒʃɪz//
     
    ; NAmE NAmE//ˈkwɔːʃɪz//
     
    , NAmE//ˈkwɑːʃɪz//
     
    past simple quashed
    BrE BrE//kwɒʃt//
     
    ; NAmE NAmE//kwɔːʃt//
     
    , NAmE//kwɑːʃt//
     
    past participle quashed
    BrE BrE//kwɒʃt//
     
    ; NAmE NAmE//kwɔːʃt//
     
    , NAmE//kwɑːʃt//
     
    -ing form quashing
    BrE BrE//ˈkwɒʃɪŋ//
     
    ; NAmE NAmE//ˈkwɔːʃɪŋ//
     
    , NAmE//ˈkwɑːʃɪŋ//
     
     
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  1. 1quash something (law) to officially say that a decision made by a court is no longer valid or correct synonym overturn His conviction was later quashed by the Court of Appeal.
  2. 2quash something to take action to stop something from continuing synonym suppress The rumours were quickly quashed. The government moved quickly to quash the revolt.
  3. Word Origin Middle English: from Old French quasser ‘annul’, from late Latin cassare (medieval Latin also quassare), from cassus ‘null, void’. Compare with squash (verb).
See the Oxford Advanced American Dictionary entry: quash