also lightheaded, 1530s, "dizzy," from light (adj.1) + -headed. Of persons or actions, "frivolous, vain, thoughtless," from 1570s. Related: Light-headedness.
light-headed from lack of sleep
light-headed with wine
light-headed teenagers
lighten
lightening
lighter
light-fingered
lightfoot
light-headed
light-hearted
lighthouse
lighting
lightless
lightly
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