/ Dictionary / Index G gruesome: Meaning and Definition of Find definitions for: grue•some Pronunciation: (gr'sum), [key] — adj. causing great horror; horribly repugnant; grisly: the site of a gruesome murder. full of or causing problems; distressing: a gruesome day at the office. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gruesome (Thesaurus) Gruenberg gruff Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language