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critical

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adjective critical pronunciation in British English /ˈkrɪtɪk(ə)l/
  1. 1
    expressing an opinion when you think something is wrong or bad

    Her father was a very critical man.

    He gave a highly critical speech.

    critical of:

    People have been critical of the way she has handled the affair.

  2. 2
    very important

    Classroom practice is a critical factor in children's learning.

    critical to:

    What happens in the next few days is critical to our success.

    of critical importance:

    an issue that is of critical importance to the party

    Synonyms and related words for this sense of critical
  3. 3
    difficult to deal with because a small mistake could make very bad things happen

    Negotiations have entered a critical phase.

  4. 4
    someone who is critical is very seriously ill or injured and might die

    Several of the passengers are still critical.

    Synonyms and related words for this sense of critical
    Synonyms and related words for this sense of critical
  5. 5
    [only before noun] considering something carefully and deciding what the good and bad aspects are

    In his book, Laurence takes a critical look at modern life.

  6. 6
    according to people whose job is to give their opinion of things such as new books, plays, or films

    It wasn't the critical success they had hoped for.

    critical acclaim (=admiration):

    Her latest show has won much critical acclaim.

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