/ Dictionary / Index U uproarious: Meaning and Definition of Find definitions for: up•roar•i•ous Pronunciation: (up-rôr'ē-us, -rōr'-), [key] — adj. characterized by or in a state of uproar; tumultuous. making an uproar; confused and noisy, as an assembly, person, etc. very funny, as a person or situation. very loud, as sounds or utterances. expressed by or producing uproar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: uproarious (Thesaurus) uproar uproot Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language