WordWeb Online

1. Soiled or likely to soil with dirt or grime
   "wore an unclean shirt"
   - dirty, soiled
    
2. Having a physical or moral blemish so as to make impure according to dietary or ceremonial laws
   "unclean meat"; "and the swine...is unclean to you"
   - impure

Derived forms: uncleaner, uncleanest

See also: Augean, bedraggled, befouled, begrimed, black, buggy, cleanness, cobwebbed, cobwebby, dingy, dirty-faced, draggled, feculent, filthy, flyblown, foul, fouled, greasy, grimy, grubby, grungy, impure, lousy, maculate, mucky, muddy, nasty, nonkosher, oily, ratty, raunchy [US], scummy, smudgy, smutty, snot-nosed, snotty, sooty, sordid, squalid, terefah, travel-soiled, travel-stained, tref, uncleanly [archaic], uncleanness, unswept, untidy, untouchable, unwashed

Antonym: clean

Encyclopedia: Unclean