Synonyms of grievous

Adjective

1. dangerous, grave, grievous, serious, severe, life-threatening, critical (vs. noncritical)

usage: causing fear or anxiety by threatening great harm; "a dangerous operation"; "a grave situation"; "a grave illness"; "grievous bodily harm"; "a serious wound"; "a serious turn of events"; "a severe case of pneumonia"; "a life-threatening disease"

2. grievous, heartbreaking, heartrending, sorrowful (vs. joyful)

usage: causing or marked by grief or anguish; "a grievous loss"; "a grievous cry"; "her sigh was heartbreaking"; "the heartrending words of Rabin's granddaughter"

3. grave, grievous, heavy, weighty, important (vs. unimportant), of import

usage: of great gravity or crucial import; requiring serious thought; "grave responsibilities"; "faced a grave decision in a time of crisis"; "a grievous fault"; "heavy matters of state"; "the weighty matters to be discussed at the peace conference"

4. atrocious, flagitious, grievous, monstrous, evil (vs. good)

usage: shockingly brutal or cruel; "murder is an atrocious crime"; "a grievous offense against morality"; "a grievous crime"; "no excess was too monstrous for them to commit"

Definition and meaning of grievous (Dictionary)