ferocious (adj.)
- abandoned
- aggressive
- amok
- animal
- antagonistic
- anthropophagous
- atrocious
- barbaric
- barbarous
- beastly
- bellicose
- belligerent
- berserk
- bestial
- bloodthirsty
- bloody
- bloody-minded
- brutal
- brute
- brutish
- cannibalistic
- chauvinistic
- combative
- contentious
- cruel
- delirious
- demoniac
- demoniacal
- destructive
- devilish
- diabolic
- diabolical
- distracted
- ecstatic
- enraptured
- fell
- feral
- ferine
- fiendish
- fierce
- fighting
- frantic
- frenzied
- furious
- grim
- haggard
- hawkish
- hellish
- hostile
- howling
- hysterical
- implacable
- infernal
- inhuman
- inhumane
- inimical
- intoxicated
- jingoistic
- mad
- malign
- malignant
- maniac
- martial
- merciless
- militant
- militaristic
- military
- monstrous
- murderous
- noncivilized
- offensive
- orgiastic
- pitiless
- possessed
- predatory
- pugnacious
- quarrelsome
- rabid
- raging
- rapacious
- ravening
- ravenous
- relentless
- roaring
- ruthless
- sadistic
- sanguinary
- sanguineous
- satanic
- savage
- scrappy
- soldierlike
- soldierly
- subhuman
- trigger-happy
- truculent
- unchristian
- uncivilized
- uncontrollable
- unfriendly
- ungentle
- unhuman
- unpeaceable
- unpeaceful
- untamed
- vicious
- violent
- voracious
- warlike
- warring
- wild
- wild-eyed
- wolfish
