Synonyms of lightheaded

Adjective

1. faint, light, swooning, light-headed, lightheaded, ill (vs. well), sick

usage: weak and likely to lose consciousness; "suddenly felt faint from the pain"; "was sick and faint from hunger"; "felt light in the head"; "a swooning fit"; "light-headed with wine"; "light-headed from lack of sleep"

2. airheaded, dizzy, empty-headed, featherbrained, giddy, light-headed, lightheaded, silly, frivolous (vs. serious)

usage: lacking seriousness; given to frivolity; "a dizzy blonde"; "light-headed teenagers"; "silly giggles"

Definition and meaning of lightheaded (Dictionary)