Synonyms and related words :
attaint, bedarken, bedaub, besmear, besmoke, besmutch, besoil, bespatter, bestain, black, blacken, blackwash, blot, blotch, blur, brand, call names, charcoal, cork, darken, daub, defile, denigrate, dinge, dirty, discolor, ebonize, engage in personalities, heap dirt upon, ink, mark, melanize, muckrake, murk, nigrify, oversmoke, revile, scorch, sear, shade, shadow, singe, slubber, slur, smear, smirch, smoke, smouch, smudge, smut, smutch, soil, soot, spot, stain, stigmatize, sully, taint, tar, tarnish, throw mud at, vilify