Synonyms and related words :
Draconian, Mephistophelian, Tartarean, abhorrent, abominable, amoral, animal, anthropophagous, atrocious, barbaric, barbarous, beastly, bestial, black, bloodthirsty, bloody, bloody-minded, brutal, brutalized, brute, brutish, cannibalistic, corrupt, cruel, cruel-hearted, cursed, damnable, dark, demoniac, demoniacal, demonic, demonish, demonlike, depraved, despicable, devil-like, devilish, diabolic, diabolical, dire, evil, execrable, fell, feral, ferocious, fiendish, fiendlike, fierce, ghoulish, godless, heinous, hellborn, hellish, hideous, horrendous, horrible, horrid, horrifying, immoral, impious, infernal, inhuman, inhumane, iniquitous, loathsome, monstrous, murderous, ogreish, perverse, perverted, ruthless, sadistic, sanguinary, sanguineous, saturnine, savage, serpentine, sharkish, sinister, slavering, subhuman, truculent, unchristian, uncivilized, ungodly, unhallowed, unholy, unhuman, unspeakable, unutterable, vicious, vile, wicked, wolfish