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warning

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noun British English pronunciation: warning /ˈwɔː(r)nɪŋ/ 
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singularwarning
pluralwarnings
  1. 1
    [countable/uncountable] an action or statement telling someone of a possible problem or danger

    By law, cigarette packets must carry a health warning.

    warning against:

    a warning against driving on the icy roads

    warning of:

    a warning of severe thunderstorms

    advance warning:

    Investors had little advance warning of the stock market crash.

    without warning:

    Suddenly, without warning, Mitch turned and hit Jacob in the face.

  2. 2
    [countable] an action or statement telling someone that they will be punished or that something bad will happen if they do something

    This is your last warning – if you're late again, you'll lose your job.

    warning to:

    Police issued a warning to drivers that speed limits will be strictly enforced.

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