ghastly in WordNet English dictionary

1. gruesomely indicative of death or the dead
   "a charnel smell came from the chest filled with dead men's bones"; "ghastly shrieks"; "the sepulchral darkness of the catacombs"
   charnel  ghastly  sepulchral 
   
2. shockingly repellent; inspiring horror
   "ghastly wounds"; "the grim aftermath of the bombing"; "the grim task of burying the victims"; "a grisly murder"; "gruesome evidence of human sacrifice"; "macabre tales of war and plague in the Middle ages"; "macabre tortures conceived by madmen"
   ghastly  grim  grisly  gruesome  macabre  sick