/ Dictionary / Index D dizzy: Meaning and Definition of Find definitions for: diz•zy Pronunciation: (diz'ē), [key] — adj., v., -zi•er, -zi•est, -zied, -zy•ing. —adj. having a sensation of whirling and a tendency to fall; giddy; vertiginous. bewildered; confused. causing giddiness or confusion: a dizzy height. heedless; thoughtless. foolish; silly. —v.t. to make dizzy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dizzy (Thesaurus) dizygotic dizzying Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language