/ Dictionary / Index R rivalry: Meaning and Definition of Find definitions for: ri•val•ry Pronunciation: (rī'vul-rē), [key] — pl. -ries. the action, position, or relation of a rival or rivals; competition: rivalry between Yale and Harvard. an instance of this. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rivalry (Thesaurus) rivalrous Rivals, The* 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