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flash - definition and synonyms

 
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noun flash pronunciation in British English /flæʃ/
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singularflash
pluralflashes
  1. 1
    [countable] a bright light that appears for a very short time
    a flash of lightning
    The bomb exploded with a blinding flash.
    1. a.
      a bright colour that you see for a very short time
      The little bird swooped down with a flash of blue.
  2. 2
    [countable] a sudden understanding or idea
    a flash of inspiration/insight/brilliance etc: It’s a dull book but there are occasional flashes of insight.
  3. 3
    [countable] a sudden instance of a particular emotion
    flash of: a flash of anger/humour/panic
  4. 4
    [singular] the sudden appearance of an object for a very short time
    the flash of a knife
    Synonyms and related words
  5. 5
    [uncountable] informal, showing disapproval behaviour that is intended to impress other people by showing them how rich you are

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