/ Dictionary / Index T triumphant: Meaning and Definition of Find definitions for: tri•um•phant Pronunciation: (trī-um'funt), [key] — adj. having achieved victory or success; victorious; successful. exulting over victory; rejoicing over success; exultant. triumphal (def. 1). splendid; magnificent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: triumphant (Thesaurus) triumphalism triumvir Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language