Main entry: empty-headed, featherbrained, giddy, light-headed, lightheaded, dizzy, silly, airheaded
Definition: lacking seriousness; given to frivolity
Usage: a dizzy blonde; light-headed teenagers; silly giggles
Main entry: dizzy, giddy, woozy, vertiginous
Definition: having or causing a whirling sensation; liable to falling
Usage: had a dizzy spell; a dizzy pinnacle; had a headache and felt giddy; a giddy precipice; feeling woozy from the blow on his head; a vertiginous climb up the face of the cliff