Dictionary.com

lightheaded

[ lahyt-hed-id ]
/ ˈlaɪtˈhɛd ɪd /
See synonyms for: lightheaded / lightheadedness on Thesaurus.com

adjective

giddy, dizzy, or delirious: After two drinks Pat began to feel lightheaded.
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

OTHER WORDS FROM lightheaded

light·head·ed·ly, adverblight·head·ed·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Words related to lightheaded

changeable, delirious, dizzy, empty-headed, faint, featherbrained, fickle, flighty, flippant, foolish, frivolous, giddy, harebrained, hazy, inane, light-headed, punchy, rocky, scatterbrained, shallow

Example sentences from the Web for lightheaded

British Dictionary definitions for lightheaded

light-headed

adjective

frivolous in disposition or behaviour
giddy; feeling faint or slightly delirious

Derived forms of light-headed

light-headedly, adverblight-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