/ Dictionary / Index O overruff: Meaning and Definition of Find definitions for: o•ver•ruff Pronunciation: (v.ō"vur-ruf'n.ō'vur-ruf"), [key] — Cards. Cards. —v.t., v.i. to overtrump. —n. the act of overtrumping. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. overripe overrule Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language