sepulchral 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. suited to or suggestive of a grave or burial
   "funereal gloom"; "hollow sepulchral tones"
   funereal  sepulchral 
   
3. of or relating to a sepulchre
   "sepulchral inscriptions"; "sepulchral monuments in churches"
   sepulchral