Definition of bright spark in English:

bright spark


ironic, informal
  • A clever or witty person.

    ‘some bright spark in the agency came up with the idea of rippling silk with a cut in it’
    • ‘We'll never even find out who the bright spark was who made this terrific decision.’
    • ‘Also this week, some bright sparks in the auto industry suggested it would be useful to network our cars.’
    • ‘What a pity the bright sparks who made Kind Hearts and Coronets are all dead!’
    • ‘There are many bright sparks out there, and l trust they are not put off by your ramblings.’
    • ‘But you may ask - or some bright spark of a child may ask for you - why?’
    intelligent person, learned person, highbrow, academic, bookworm, bookish person, man of letters, woman of letters, bluestocking, thinker, brain, scholar, sage
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From spark.