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poison - definition and synonyms


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noun poison pronunciation in British English /ˈpɔɪz(ə)n/
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  1. 1
    [countable/uncountable] a substance that can kill you or make you ill if you eat, drink, or breathe it
    Some mushrooms contain poison.
    rat poison (=poison used for killing rats)
  2. 2
    [countable/uncountable] something that has a negative effect
    Capitalism is regarded as a poison that is destroying the traditional way of life.
    1. a.
      [uncountable] words or actions that express the feeling of hating someone
      The look she gave me was pure poison.


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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