v. 1 dirty, stain, begrime, muddy, smear, spot His shirts were returned by the laundry still soiled 2 pollute, contaminate, sully, defile, foul, befoul, tarnish, besmirch, disgrace, muddy, smear, blacken; blot The scandal soiled his previously spotless reputation
n. 3 dirt, filth, muck, mire, mud, sludge, dregs, refuse; excrement, waste (matter) The soil is carried away by these pipes into the main sewer