/ Dictionary / Index T triumphal: Meaning and Definition of Find definitions for: tri•um•phal Pronunciation: (trī-um'ful), [key] — adj. of, pertaining to, celebrating, or commemorating a triumph or victory: a triumphal banquet; a triumphal ode. triumphant (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: triumphal (Thesaurus) triumph triumphal arch Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language