/ Dictionary / Index T twice: Meaning and Definition of Find definitions for: twice Pronunciation: (twīs), [key] — adv. two times, as in succession: Write twice a week. on two occasions; in two instances: I phoned him twice. in twofold quantity or degree; in double the amount or degree: twice as much. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: twice (Thesaurus) twibill twice-born Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language