violent
brutal
vicious
savage
harsh
rough
aggressive
bullying
threatening
terrorizing
fierce
wild
intemperate
hotheaded
hot-tempered
bloodthirsty
ferocious
berserk
frenzied
in a frenzy
out of control
barbarous
barbaric
thuggish
cutthroat
homicidal
murderous
maniacal
rabid
inhuman
heartless
callous
ruthless
merciless
pitiless
cruel
radge
powerful
forceful
hard
sharp
smart
strong
vigorous
mighty
hefty
thunderous
destructive
damaging
painful
lethal
deadly
fatal
mortal
death-dealing