Definition of unmask verb from the Oxford Advanced American Dictionary

     

    unmask

     verb
    verb
    NAmE//ʌnˈmæsk//
     
    unmask somebody/somethingVerb Forms present simple I / you / we / they unmask
     
    he / she / it unmasks
     
    past simple unmasked
     
    -ing form unmasking
     
     
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  1. 1to show the true character of someone, or a hidden truth about something synonym expose
  2. 2 to unmask a spy
See the Oxford Advanced Learner's Dictionary entry: unmask