(a.) Of or pertaining to murder; characterized by, or causing, murder or bloodshed; having the purpose or quality of murder; bloody; sanguinary; as, the murderous king; murderous rapine; murderous intent; a murderous assault.

Draconian Tartarean animal anthropophagous arduous atrocious barbaric barbarous beastly bestial bloodthirsty bloody bloody-minded brutal brutalized brute brutish cannibalistic cruel cruel-hearted cutthroat deadly deathly demoniac demoniacal destructive devastating devilish diabolic difficult exhausting fatal fell feral ferine ferocious fiendish fiendlike fierce gory harrowing hellish homicidal infernal inhuman inhumane intolerable kill-crazy killing lethal malign malignant merciless mortal murdering noncivilized pitiless red-handed rigorous ruinous ruthless sadistic sanguinary sanguine sanguineous satanic savage self-destructive sharkish slaughterous slavering strenuous stressful subhuman suicidal tameless truculent unbearable unchristian uncivilized ungentle unhuman untamed vicious wild wolfish