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mad - definition and synonyms

 
 
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adjective mad pronunciation in British English /mæd/
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adjectivemad
comparativemadder
superlativemaddest
  1. 1
    very silly or stupid
    You’ll think I’m mad – I’ve just left my job.
    be mad to do something: You’re mad to spend so much money on clothes.
    1. a.
      informal tending to behave in a strange way that other people sometimes consider funny
      a mad scientist
      Synonyms and related words
    2. b.
      informal an offensive way for describing someone who is mentally ill
      She was completely mad.
      Synonyms and related words
  2. 2
    [never before noun] informal angry
    He makes me mad, the way he keeps criticizing me all the time.
    mad at/with: My boss is mad with me for missing the meeting.
    Synonyms and related words
  3. 3
    done quickly or without thinking, in a way that is badly organized
    There were people everywhere – it was all a bit mad!
    a mad rush/dash: It was a mad rush to get the job finished.

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