Definition of inoperative adjective from the Oxford Advanced American Dictionary

     

    inoperative

     adjective
    adjective
    NAmE//ɪnˈɑpərət̮ɪv//
     
    , NAmE//ɪnˈɑprət̮ɪv//
     
    (formal)
     
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  1. 1(of a rule, system, etc.) not valid or able to be used Your insurance policy will become inoperative if your circumstances change.
  2. 2(of a machine) not working; not functioning correctly opposite operative
See the Oxford Advanced Learner's Dictionary entry: inoperative