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