/ Dictionary / Index G giddy: Meaning and Definition of Find definitions for: gid•dy Pronunciation: (gid'ē), [key] — adj., v., -di•er, -di•est, -died, -dy•ing. —adj. affected with vertigo; dizzy. attended with or causing dizziness: a giddy climb. frivolous and lighthearted; impulsive; flighty: a giddy young person. —v.t., v.i. to make or become giddy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: giddy (Thesaurus) gid giddyap Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language