American English

Definition of fiat noun from the Oxford Advanced American Dictionary

     

    fiat

     noun
    noun
    NAmE//ˈfiɑt//
     
    , NAmE//ˈfiæt//
     
    , NAmE//ˈfiət//
     
    [countable, uncountable] (formal)
     
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  1. 1an official order given by someone in authority synonym decree
  2. 2 Prices were fixed by government fiat.
See the Oxford Advanced Learner's Dictionary entry: fiat