lightheaded

[ lahyt-hed-id ]
/ ˈlaɪtˈhɛd ɪd /

adjective

giddy, dizzy, or delirious: After two drinks Pat began to feel lightheaded.
having or showing a frivolous or volatile disposition; thoughtless: lightheaded persons.

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. 2019

Examples from the Web for light-headed

British Dictionary definitions for light-headed

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