Example : 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

Example : A charnel smell came from the chest filled with dead men's bones.
Ghastly shrieks.
The sepulchral darkness of the catacombs.

Synonyms : charnel, sepulchral