lightheaded

[ lahyt-hed-id ]
See synonyms for lightheaded on Thesaurus.com
adjective
  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.

Origin of lightheaded

1
First recorded in 1530–40; light2 + head + -ed3

Other words from lightheaded

  • light·head·ed·ly, adverb
  • light·head·ed·ness, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use lightheaded in a sentence

  • The widow promised devoutly to obey all his directions; but he had begun to talk light-headed before he was undressed.

    Rhoda Fleming, Complete | George Meredith
  • When Maurice von Lynar reached the open air he stood for full five minutes, light-headed in the rush of the city traffic.

    Joan of the Sword Hand | S(amuel) R(utherford) Crockett

British Dictionary definitions for light-headed

light-headed

adjective
  1. frivolous in disposition or behaviour

  2. giddy; feeling faint or slightly delirious

Derived forms of light-headed

  • light-headedly, adverb
  • light-headedness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012