/ Dictionary / Index U uproar: Meaning and Definition of Find definitions for: up•roar Pronunciation: (up'rôr", -rōr"), [key] — n. a state of violent and noisy disturbance, as of a multitude; turmoil. an instance of this. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: uproar (Thesaurus) upriver uproarious Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language