American English

Definition of showtime noun from the Oxford Advanced American Dictionary

     

    showtime

     noun
    noun
    NAmE//ˈʃoʊtaɪm//
     
    [uncountable]
     
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  1. 1the time that a theater performance will begin It's five minutes to showtime and the theater is packed.
  2. 2(figurative) Everybody ready? It's showtime!
See the Oxford Advanced Learner's Dictionary entry: showtime