Light-headed - Definition

adj 1: 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" [syn:
faint, light, swooning, light-headed,
lightheaded]
2: lacking seriousness; given to frivolity; "a dizzy blonde";
"light-headed teenagers"; "silly giggles" [syn: airheaded,
dizzy, empty-headed, featherbrained, giddy, light-
headed, lightheaded, silly]