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nut - definition and synonyms


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noun nut pronunciation in British English /nʌt/
Word Forms
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  1. 1
    [countable] a dry fruit that grows inside a hard shell on some types of tree and bush. Many kinds of nut can be eaten
    Can you crack some nuts for me (=break open the shells)?
    Synonyms and related words
  2. 3
    [countable] mainly spoken an insulting word for someone who you think is crazy
    Synonyms and related words
  3. 5
    [countable] informal your head, or your brain
  4. 6


    [plural] impolite a mans testicles



a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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a stupid person

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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