/ Dictionary / Index T terrific: Meaning and Definition of Find definitions for: ter•rif•ic Pronunciation: (tu-rif'ik), [key] — adj. extraordinarily great or intense: terrific speed. extremely good; wonderful: a terrific vacation. causing terror; terrifying. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: terrific (Thesaurus) terrier terrify 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