homicidal Synonyms

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