Definitions for "Grievous"
Keywords:  grief, sorrow, cry, afflictive, gree
Causing grief or sorrow; painful; afflictive; hard to bear; offensive; harmful.
Full of, or expressing, grief; showing great sorrow or affliction; as, a grievous cry.
Causing grief or sorrow. This word is pronounced GREEV-us, not GREE-vee-us. There are only two syllables in the word. This mispronunciation seems to be the exclusive domain of Jehovah's Witnesses.
Characterized by great atrocity; heinous; aggravated; flagitious; as, a grievous sin.
Simply means 'really serious'.
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"
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"