Synonyms of filthy

1 Syllable
foul, lewd, mung, vile, black, dun, gross, fouls
2 Syllables
slimy, slummier, sordid, ill-bred, stagnant, crudest, soily, sloppy, squalid, unkempt, caked, gunky, lewdest, raunchier, raunchy, scummy, dirtier, incult, weighted, mucky, soiled, putrid, risqué, unswept, foulest, grimy, fecal, dirty, coarsest, duner, musty, dirtiest, punker, fouled, dreggy, dungy, straggly, murkier, grubbier, munger, murky, ribald, nastier, miry, viler, smoky, grimier, slumer, porno, mustier, cruder, sooty, unclean, vilest, smutty, coarser, crummy, smuttier, cruddy, sleazy, slummy, grungy, slipshod, fouler, grungier, grubby, muddier, muddy, nasty, yecchy, nastiest, vulgar
3 Syllables
loathsome, obscene, subfuse, nubilous, revolting, vulgarian, feculent, impure, erotic, foul-mouthed, unvirtuous, slovenly, depraved, verminous, scurrilous, uncleanly, unwashed, profaning, unchaste, begrimed, blackened, indecent
4 Syllables
philistine, undecorous, disheveled, bespattered, repulsive, erogenous, excremental, unsanctified, unlaundered, unhygienic, offensive, scatologic, sacrilegious
5 Syllables
scatological, unsanitary, unconsecrated
6 Syllables
vituperatory