/ Dictionary / Index W wiz: Meaning and Definition of Find definitions for: wiz Pronunciation: (wiz), [key] wizard (def. 3). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wiz (Thesaurus) wives wizard Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language