abuse, asperse, attaint, bark at, becloud, bedarken, bedaub, bedim, begloom, begrime, berate, besmear, besmirch, besmoke, besmutch, besoil, bespatter, bestain, betongue, black, black out, blackwash, block the light, blot, blot out, blotch, blow upon, blur, brand, brown, call names, cast a shadow, cast aspersions on, censure, charcoal, cloud, cloud over, cork, darken, darken over, daub, defame, defile, denigrate, dim, dim out, dinge, dirty, disapprove, discolor, discredit, disparage, ebonize, eclipse, encloud, encompass with shadow, engage in personalities, execrate, expose, expose to infamy, fulminate against, gibbet, gloom, hang in effigy, heap dirt upon, ink, jaw, libel, load with reproaches, malign, mark, melanize, muckrake, murk, nigrify, obfuscate, obnubilate, obscure, obumbrate, occult, occultate, overcast, overcloud, overshadow, oversmoke, pillory, rag, rail at, rate, rave against, reprimand, revile, scorch, sear, shade, shadow, singe, slander, slubber, slur, smear, smirch, smoke, smouch, smudge, smut, smutch, soil, somber, soot, spot, stain, stigmatize, sully, taint, tarnish, throw mud at, thunder against, tongue-lash, traduce, vilify, vituperate, yell at, yelp at