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notion

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noun [countable] British English pronunciation: notion /ˈnəʊʃ(ə)n/ 
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singularnotion
pluralnotions

Related dictionary definitions

  1. knowledge or understanding of something

    I haven't the faintest notion what you're talking about.

    1. a.
      an opinion or belief, especially one that is wrong or silly

      Employment decisions should never be based on misconceived notions about age.

    2. b.
      old-fashioned a sudden interest in doing something
      a notion to do something:

      I've a notion to spend the day at the beach.

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