/ Dictionary / Index G gruff: Meaning and Definition of Find definitions for: gruff Pronunciation: (gruf), [key] — -er, -est. low and harsh; hoarse: a gruff voice. rough, brusque, or surly: a gruff manner. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gruff (Thesaurus) gruesome gruffy Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language