- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for lightheaded
I verily believe that at times I was lightheaded in a sort of languid way.Some Reminiscences
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!Killykinick
Mary T. Waggaman
In the night he was lightheaded, and all his talk was about you.Love Me Little, Love Me Long
She was possessed of a strange, almost a lightheaded feeling.Missy