/ Dictionary / Index T tip-off: Meaning and Definition of Find definitions for: tip-off Pronunciation: (tip'ôf", -of"), [key] — n. Informal. the act of tipping off. a hint or warning: They got a tip-off on the raid. tip•off Pronunciation: (tip'ôf", -of"), [key] — n. Basketball. a jump ball that begins each period. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tip-off (Thesaurus) tip-in tip-on Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language