/ Dictionary / Index R rebuff: Meaning and Definition of Find definitions for: re•buff Pronunciation: (n.ri-buf', rē'bufv.ri-buf'), [key] — n. a blunt or abrupt rejection, as of a person making advances. a peremptory refusal of a request, offer, etc.; snub. a check to action or progress. —v.t. to give a rebuff to; check; repel; refuse; drive away. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rebuff (Thesaurus) rebroadcast rebuild Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language