ETYM Old Fren. grevous, grevos, Late Lat. gravosus. Related to Grief.
Causing or marked by grief or anguish; SYN. heartbreaking, heartrending.
Very severe or painful; causing grief or suffering, heinous. grievous bodily harm, Law, crime of inflicting serious physical injury on another person. (abbr. GBH).
1. Tending to mortify; affected by, or having symptoms of, mortification.
2. Subduing the appetites, desires, etc..
In a grievous manner.