netherworld
noun
their souls were forever doomed to wander in the netherworld:
hell, the underworld, the infernal regions, the nether regions, the abyss, the land of the dead;
the abode of the damned, eternal damnation, perdition;
Bible Gehenna, Tophet, Abaddon;
Judaism Sheol;
Greek Mythology Hades, Tartarus, Acheron;
British the other place;
literary the pit;
archaic the lower world.
▷antonyms heaven, paradise.