/ Dictionary / Index G grievous: Meaning and Definition of Find definitions for: griev•ous Pronunciation: (grē'vus), [key] — adj. causing grief or great sorrow: grievous news. flagrant; outrageous; atrocious: a grievous offense against morality. full of or expressing grief; sorrowful: a grievous cry. burdensome or oppressive. causing great pain or suffering: arrested for causing grievous bodily harm to someone in a bar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: grievous (Thesaurus) grieve griff 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