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debut

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noun [countable] American English pronunciation: debut /deɪˈbju/ American English pronunciation: debut /ˈdeɪˌbju/ 
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singulardebut
pluraldebuts

Related dictionary definitions

  1. the first time that a performer or sports player appears in public
    make your debut:

    Chadman made his debut on Broadway in 1968.

    someone's acting/singing/movie/directorial debut:

    Madonna's movie debut in Desperately Seeking Susan

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