Synonyms and related words :
attaint, bedaub, begrime, bemire, bemud, besmear, besmirch, bestain, blacken, blur, brand, darken, daub, dirt, dirty, dirty up, discolor, dust, grime, mark, mire, muck, muck up, muddy, scorch, sear, singe, slime, slubber, slur, smear, smirch, smoke, soil, soot, stain, stigmatize, taint, tarnish