WordWeb Online

1. Of or relating to a sepulchre
   "sepulchral inscriptions"; "sepulchral monuments in churches"
    
2. Gruesomely indicative of death or the dead
   "the sepulchral darkness of the catacombs"
   - charnel, ghastly
    
3. Suited to or suggestive of a grave or burial
   "hollow sepulchral tones"
   - funereal

See also: joyless, offensive, sepulchre [Brit, Cdn]