Synonyms and related words :
Draconian, Tartarean, animal, anthropophagous, atrocious, barbaric, barbarous, beastly, bestial, bloodthirsty, bloody, bloody-minded, brutal, brutalized, brute, brutish, callous, cannibalistic, cold-blooded, cruel, cruel-hearted, demoniac, demoniacal, demonic, demonish, demonlike, devil-like, devilish, diabolic, diabolical, fell, feral, ferine, ferocious, fiendish, fiendlike, fierce, ghoulish, heartless, hellish, implacable, infernal, inhumane, insensitive, kill-crazy, malicious, malign, malignant, merciless, murderous, noncivilized, ogreish, pitiless, relentless, ruthless, sadistic, sanguinary, sanguineous, satanic, savage, severe, sharkish, slavering, subhuman, tameless, truculent, unchristian, uncivilized, uncompassionate, unfeeling, ungentle, unhuman, unkind, unkindly, unrelenting, unsympathetic, untamed, vicious, wild, wolfish