sepulchral

adj

1. Relating to a grave or to death; funereal.
2. Suggestive of a grave or of death; gloomy; solemn.

   “He alluded constantly to Europe, to the people I was supposed to know there - putting leading questions as to my acquaintances in the sepulchral city, and so on.”

   “Over and over I found myself visiting homes where the predominant feeling was sepulchral, dusty, and deserted […]”

3. Having a hollow and deep sound.

   “As for your treatment of ME," concluded Uncle Tinfish, almost having another disaster to his vocal chords at the thought of it, "I wash my hands of you, sir - I renounce you - I " Uncle Tinfish's voice was suddenly lowered to a tone of sepulchral hollowness.”

   “'The Master of Krikkit,' said Slartibartfast again, and if his breathing had been sepulchral before, this time he sounded like someone in Hades with bronchitis.”