- murderous
- adj1. killing, homicidal, cutthroat, assassinative, death-dealing, lethal, fatal, mortal, mor-tiferous, deadly, deathly, Archaic. lethiferous; slaughterous, internecine, savage, barbarous, cruel, brutal, fiendish, cannibalistic, anthropophagous, bloodthirsty, bloody-minded, sanguinary, sanguine, sanguineous, sanguinolent, bloody, gory, bloodstained, ensanguined; ferocious, violent, frenzied, wild, berserk, amuck, raging, maniacal; annihilating, exterminating, obliterating, extirpative, extirpating, extinguishing, eliminating, withering, devastating, decimating, destructive, destroying.2.(all in the extreme) difficult, arduous, strenuous, rigorous, herculean, tremendous, gargantuan, huge, prodigious; dangerous, perilous, Archaic. parlous, hazardous, formidable, harrowing, precarious, risky, unsafe, treacherous; trying, unendurable, intolerable, unbearable, insufferable.
A Note on the Style of the synonym finder. 2014.