Synonyms and related words :
antagonistic, antipathetic, asperse, atrocious, backbite, bad-mouth, baleful, baneful, barbaric, barbarous, befoul, besmirch, bespatter, bestial, bitchy, blacken, bloody, blow upon, brutal, brutish, calumniate, cast aspersions on, cast reflections on, catching, communicable, contagious, corroding, corrosive, corrupting, corruptive, counterproductive, cussed, damaging, deadly, death-bringing, deathful, deathly, decry, defame, defile, deleterious, denigrate, depreciate, derogate, despiteful, destructive, detract, detrimental, disadvantageous, disparage, disserviceable, distressing, envenomed, evil, fatal, feral, ferine, ferocious, fierce, harmful, hateful, hostile, hurtful, infectious, infective, inhuman, inimical, iniquitous, injurious, internecine, invidious, kill-crazy, killing, lethal, libel, malefic, maleficent, malevolent, malicious, malignant, mean, mephitic, merciless, miasmal, miasmatic, miasmic, mischievous, mortal, murderous, nasty, noisome, noncivilized, noxious, ominous, ornery, pernicious, pestiferous, pestilential, pitiless, poisonous, pollute, prejudicial, rancorous, revile, ruthless, sanguinary, savage, scandal, scandalize, scatheful, slander, slur, smear, smirch, soil, spatter, spiteful, stain, sully, taint, tameless, tarnish, tear down, toxic, toxicant, toxiferous, traduce, uncivilized, ungentle, untamed, venenate, veneniferous, venenous, venomous, vicious, vilify, virulent, vituperate, wicked, wild