1 (of pain etc.) severe.
2 causing grief or suffering.
3 injurious.
4 flagrant, heinous.
Phrases and idioms:
grievous bodily harm Law serious injury inflicted intentionally on a person.
Derivatives:
grievously adv. grievousness n.
Etymology: ME f. OF grevos (as GRIEVE(1))
Useful english dictionary. 2012.