brutal

ˈbruːt(ə)l

adjective

savagely violent.

a brutal murder

savage,cruel,bloodthirsty,vicious,ferocious,barbaric,barbarous,wicked,murderous,cold-blooded,hard-hearted,harsh,ruthless,callous,heartless,merciless,pitiless,remorseless,sadistic,unfeeling,inhuman,heinous,monstrous,abominable,atrocious,vile,infernal,uncivilized,bestial,brutish,beastly,animal