sepulchral

of or relating to a sepulchre; "sepulchral inscriptions"; "sepulchral monuments in churches"

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"

suited to or suggestive of a grave or burial; "funereal gloom"; "hollow sepulchral tones"