/ Dictionary / Index R ruff: Meaning and Definition of Find definitions for: ruff Pronunciation: (ruf), [key] —v.t. tease (def. 3). ruff Pronunciation: (ruf), [key] —n. an act or instance of trumping when one cannot follow suit. an old game of cards, resembling whist. —v.t., v.i. to trump when unable to follow suit. ruff Pronunciation: (ruf), [key] — n. a small European freshwater fish, Acerina cernua, of the perch family. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ruff (Thesaurus) rufescent ruffed Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language