Definition of unforgettable adjective from the Oxford Advanced American Dictionary

     

    unforgettable

     adjective
    adjective
    NAmE//ˌʌnfərˈɡɛt̮əbl//
     
     
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  1. 1if something is unforgettable, you cannot forget it, usually because it is so beautiful, interesting, enjoyable, etc. synonym memorable
  2. 2 The music is what makes the movie so unforgettable. compare forgettable
See the Oxford Advanced Learner's Dictionary entry: unforgettable