THESAURUS
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