Main entry: dangerous, grave, grievous, life-threatening, serious, severe
Definition: causing fear or anxiety by threatening great harm
Usage: 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
Main entry: flagitious, monstrous, grievous, atrocious
Definition: shockingly brutal or cruel
Usage: murder is an atrocious crime; a grievous offense against morality; a grievous crime; no excess was too monstrous for them to commit
Main entry: grave, grievous, heavy, weighty
Definition: of great gravity or crucial import; requiring serious thought
Usage: 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
Main entry: heartbreaking, heartrending, grievous
Definition: causing or marked by grief or anguish
Usage: a grievous loss; a grievous cry; her sigh was heartbreaking; the heartrending words of Rabin's granddaughter