carrion, contamination, corruption, crud, defilement, dregs, dung, excrement, feces, feculence, filthiness, foul matter, foulness, garbage, grime, impurity, mire, muck, mud, nastiness, ordure, pollution, putrefaction, putrescence, putridity, refuse, rottenness, scuzz, sediment, sewage, silt, sleaze, slime, slop, sludge, slush, smut, trash, uncleanness