, grimy, grubby, filthy, mucky, stained, unwashed, greasy, smeared, smeary, spotted, smudged, cloudy, muddy, dusty, sooty, unclean, sullied, impure, tarnished, polluted, contaminated, defiled, foul, unhygienic, insanitary, unsanitary, cruddy, yucky, icky, manky, gungy, grotty, bogging, befouled, besmirched, begrimed, feculent