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See more synonyms for lightheaded on Thesaurus.com
  1. giddy, dizzy, or delirious: After two drinks Pat began to feel lightheaded.
  2. having or showing a frivolous or volatile disposition; thoughtless: lightheaded persons.
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Origin of lightheaded

First recorded in 1530–40; light2 + head + -ed3
Related formslight·head·ed·ly, adverblight·head·ed·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Examples from the Web for lightheaded

Historical Examples

  • I verily believe that at times I was lightheaded in a sort of languid way.

    Some Reminiscences

    Joseph Conrad

  • The captain saw at once that Jack was lightheaded and he humored him.

    The Highgrader

    William MacLeod Raine

  • To be swinging like monkeys from a perch, and ye half sick and lightheaded!


    Mary T. Waggaman

  • In the night he was lightheaded, and all his talk was about you.

  • She was possessed of a strange, almost a lightheaded feeling.


    Dana Gatlin