English

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

     

    nullify

     verb
    verb
    BrE BrE//ˈnʌlɪfaɪ//
     
    ; NAmE NAmE//ˈnʌlɪfaɪ//
     
    (formal)Verb Forms present simple I / you / we / they nullify
    BrE BrE//ˈnʌlɪfaɪ//
     
    ; NAmE NAmE//ˈnʌlɪfaɪ//
     
    he / she / it nullifies
    BrE BrE//ˈnʌlɪfaɪz//
     
    ; NAmE NAmE//ˈnʌlɪfaɪz//
     
    past simple nullified
    BrE BrE//ˈnʌlɪfaɪd//
     
    ; NAmE NAmE//ˈnʌlɪfaɪd//
     
    past participle nullified
    BrE BrE//ˈnʌlɪfaɪd//
     
    ; NAmE NAmE//ˈnʌlɪfaɪd//
     
    -ing form nullifying
    BrE BrE//ˈnʌlɪfaɪɪŋ//
     
    ; NAmE NAmE//ˈnʌlɪfaɪɪŋ//
     
    Legal processes
     
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  1. 1nullify something to make something such as an agreement or order lose its legal force synonym invalidate Judges were unwilling to nullify government decisions. See related entries: Legal processes
  2. 2nullify something to make something lose its effect or power synonym negate An unhealthy diet will nullify the effects of training.
See the Oxford Advanced American Dictionary entry: nullify