/ Dictionary / Index R raucous: Meaning and Definition of Find definitions for: rau•cous Pronunciation: (rô'kus), [key] — adj. harsh; strident; grating: raucous voices; raucous laughter. rowdy; disorderly: a raucous party. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: raucous (Thesaurus) Rau raunch Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language