crud, dirt, filth, grime, muck, smut, soil
scum, sewage, sewerage, slime, sludge, swilldross, dust(British), garbage, junk, litter, refuse, rubbish, scrap, trash, wastecrock(dialect), sootdinginess, dirtiness, dustiness, filthiness, foulness, griminess, grubbiness, nastiness, squalidness, uncleanliness, uncleanness