31 Moby Thesaurus words for "den of iniquity": Babylon, Gomorrah, Sodom, bagnio, bawdyhouse, bordello, brothel, cathouse, crib, den, den of vice, disorderly house, dive, fleshpots, hellhole, hole, house of assignation, house of joy, house of prostitution, joint, panel den, panel house, red-light district, sink, sink of corruption, sink of iniquity, sporting house, stew, stews, tenderloin, whorehouse