homicidal Synonyms

murderous thuggish ruthless pitiless murderer murdering murder mortal merciless maniacal mad sanguinary sanguine sanguineous blood-thirsty bloodthirstily sadistic barbaric amok violent vicious suicidal slaughterous savage lethal killing cruel cold-blooded brutish brutal bloody-minded bloody bloodthirsty berserk barbarous assassin cutthroat deadly fell kill inhuman homicide heartless grim gory fierce ferocious feral fatal aggressive