/ Dictionary / Index W whacked: Meaning and Definition of Find definitions for: whacked Pronunciation: (hwakt, wakt), [key] exhausted; tired out. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: whacked (Thesaurus) whack whacked-out Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language