33 Moby Thesaurus words for "bottomless pit": Abaddon, Gehenna, Hades, Naraka, Pandemonium, Sheol, Tophet, avichi, bowels, deep space, deeps, depths, gaping depths, hell, infernal pit, infernal regions, inferno, jahannan, limbo, lower world, nether world, outer space, perdition, place of torment, purgatory, shades below, the abyss, the bottomless pit, the grave, the pit, underworld, unfathomed deeps, unknown depths