What is the meaning of ghastly?

adjective

• Shockingly repellent; inspiring horror.
  • usage: "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"
  • synonyms: grim, grisly, gruesome, macabre, sick
• Gruesomely indicative of death or the dead.
  • usage: "a charnel smell came from the chest filled with dead men's bones"; "ghastly shrieks"; "the sepulchral darkness of the catacombs"
  • synonyms: charnel, sepulchral