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mistaken - definition and synonyms

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adjective mistaken pronunciation in British English /mɪˈsteɪkən/
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  1. 1
    [never before noun] if someone is mistaken, they are wrong about something
    mistaken about: He may have been mistaken about what he saw.
    sadly mistaken: If you think I’m going to help, you’re sadly mistaken.
    be mistaken in (doing) something: She is mistaken in thinking that the report was written last year.
  2. 2
    a mistaken belief, idea, opinion etc is not correct
    He was under the mistaken impression that I liked him.

derived word

mistakenly

 mistaken pronunciation in British English adverb
He mistakenly believed that she was married.

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