mistake - definition and synonyms

noun [countable] 

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  1. 1
    something that you have not done correctly, or something you say or think that is not correct
    make a mistake:

    I won’t make the same mistake again!

    Don’t worry: it’s an easy mistake to make.

    correct a mistake:

    It’s much easier to correct mistakes at an early stage.

    admit a mistake:

    I wish you’d admitted your mistake earlier.

     Synonyms and related words
    1. a.
      something that you say or write in a way that is not correct
       Synonyms and related words
  2. 2
    something you do that you later wish you had not done, because it causes a lot of problems
    a big/terrible/serious mistake:

    You’re making a big mistake.

    a costly/expensive mistake:

    The wrong choice of computer could prove a costly mistake.

    the biggest mistake of something:

    Marrying him had been the biggest mistake of her life.

    it would be a mistake to do something:

    It would be a mistake to think that the trouble is over.

    make the mistake of doing something:

    I made the mistake of inviting Jennifer to the party.

     Synonyms and related words