/ Dictionary / Index T tautologize: Meaning and Definition of Find definitions for: tau•tol•o•gize Pronunciation: (tô-tol'u-jīz"), [key] — -gized, -giz•ing. to use tautology. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tautologism tautology Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language