Place of the dead, especially of the wicked dead; often capital H
underworld, inferno, place of departed spirits, the lower world, the grave, infernal regions, Sheol, Hades, Tartarus, Gehenna, abyss, realm of Pluto, Tophet, Styx, Acheron, Dis, Cocytus, Avernus, Abaddon, Satan's Kingdom, abode of the damned, abode of the dead, everlasting fire, perdition, purgatory, limbo, Erebus, nether world, Pandemonium, Avichi, hell-fire, Malebolge, bottomless pit, perdition, hellfire, lake of fire and brimstone, place of the lost, place of torment, habitation of fallen angels, blue blazes*, Halifax*, Hoboken*, hot place*, you-know-where*, the hereafter*.
Antonyms heaven*, earth, paradise.