/ Dictionary / Index G gruel: Meaning and Definition of Find definitions for: gru•el Pronunciation: (gr'ul), [key] — n. a light, usually thin, cooked cereal made by boiling meal, esp. oatmeal, in water or milk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gruel (Thesaurus) grue grueling Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language