Adjectives

(a)sepulchralof or relating to a sepulchre“sepulchral inscriptions”, “sepulchral monuments in churches”
(s)charnel, ghastly, sepulchralgruesomely 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”
(s)funereal, sepulchralsuited to or suggestive of a grave or burial“funereal gloom”, “hollow sepulchral tones”