/ Dictionary / Index G grouch: Meaning and Definition of Find definitions for: grouch Pronunciation: (grouch), [key] — v.i. to be sulky or morose; show discontent; complain, esp. in an irritable way. —n. a sulky, complaining, or morose person. a sulky, irritable, or morose mood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: grouch (Thesaurus) grotty grouchy Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language