adj 1: having or causing a whirling sensation; liable to falling;
"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" [syn: dizzy, woozy, vertiginous]
2: lacking seriousness; given to frivolity; "a dizzy blonde";
"light-headed teenagers"; "silly giggles" [syn: airheaded, dizzy, empty-headed, featherbrained, light-headed, lightheaded, silly]