Synonyms for Unclean:

adj.

all (adjective)
impure.
black (adjective)
spotted.
dirty (adjective)
contaminated, putrid, foul, sordid, befouled, smudged, grimy, rank, sooty, filthy, impure, slovenly, putrescent, defiled, muddy, feculent, fetid, bedraggled, black, stained, nasty, spotted, unhealthful, polluted, squalid, messy, sloppy, sullied, rotten, rancid, soiled, scurvy, smeared, vile, tainted, evil, blurred, tarnished, decayed, stinking, dusty, besmirched.
impure (adjective)
defective, immoral, unchaste, dirty, impure, sordid, obscene, imperfect, blemished, slovenly.
unclean (adjective)
festering, muddy, shabby, impure, grungy, filthy, unhygenic, dusty, crummy, smutty, odious, septic, defiled, sordid, mucky, putrid, squalid, insalubrious, scruffy, murky, unsanitary, toxic, infectious, foul, grimy, dingy, grubby, dirty, sloppy, obscene, untidy, icky, scatological, slovenly, fetid, offensive, disgusting.
uncleanly (adjective)
unhygienic, uncleanly.

n.

gross, sinful, amoral, wicked, evil, unethical, deviant. sacred, religion. soiled (noun)
clogged, scurfy, contaminated, Besmutted, blurred, musty, maggotty, filmed over, stained, sooty, daubed, stinking, polluted, rotten, bleary, spotted, putrescent, decayed, scurvy, sullied, Smutted, besmirched, Mildewed, moldy, unhealthful, tainted, rancid, tarnished, rank, slimy, Draffy, vile, besmuttered, besmeared.
unclean (noun)
feculent, travel-soiled, raunchy, dirty, befouled, unswept, sordid, draggled, filthy, smudged, dust-covered, untouchable, lousy, snotty, buggy, oily, soiled, nonkosher, smeared, grimy, begrimed, bespattered, fouled, foul, unwashed, flyblown, splashed, scummy, defiled, grungy, maculate, fecal, besplashed, nasty, squalid, dusty, faecal, spattered, snot-nosed, greasy, black, tref, travel-stained, terefah, mucky, bedraggled, muddy, grubby, smudgy, smirched, dingy.

v.

dirty (verb)
messy, spotted, unhygienic.

Other synonyms:

uncleanly. unchaste.

Usage examples for unclean

  1. It became unclean by the presence in it of a dead body, and therefore was no longer used. – Japan by David Murray
  2. The men in charge erect wigwams and remain on the spot, isolated from their families, who regard them for the time being as unclean – The Tribes and Castes of the Central Provinces of India Volume II by R. V. Russell
  3. There is nothing good in the wolf, says Buffon, he has a base low look- a savage aspect, a terrible voice, an insupportable smell, a nature brutal and ferocious, and a body so foul and unclean that no animal or reptile will touch his flesh. – Le Morvan, [A District of France,] Its Wild Sports, Vineyards and Forests; with Legends, Antiquities, Rural and Local Sketches by Henri de Crignelle