— lightheadedly , adv. — lightheadedness , n.
/luyt"hed"id/ , adj.
1. giddy, dizzy, or delirious: After two drinks Pat began to feel lightheaded.
2. having or showing a frivolous or volatile disposition; thoughtless: lightheaded persons.
[ 1530-40; LIGHT 2 + HEAD + -ED 3 ]