intense
merciless
stormy
unmerciful
violent
Draconian
Tartarean
abandoned
acid
acidulous
acrid
acrimonious
acute
aggressive
amok
angry
animal
antagonistic
anthropophagous
astringent
atrocious
awful
barbaric
barbarous
battling
beastly
bellicose
belligerent
bellowing
berserk
bestial
biting
bitter
bloodthirsty
bloody
bloody-minded
brutal
brutalized
brute
brutish
cannibalistic
carried away
caustic
chauvinist
chauvinistic
combative
concentrated
contentious
cruel
cruel-hearted
cutting
dangerous
delirious
bold
fiery
passionate
powerful
savage
wild
Bierce
Peirce
Pierce
pierce