inhuman (adj.)
- animal
- anthropophagous
- atrocious
- barbaric
- barbarous
- beastly
- bestial
- bloodthirsty
- bloody
- bloody-minded
- brutal
- brute
- brutish
- callous
- cannibalistic
- cold-blooded
- cruel
- demoniac
- demoniacal
- demonic
- devilish
- diabolic
- diabolical
- fell
- feral
- ferine
- ferocious
- fiendish
- fierce
- ghoulish
- heartless
- hellish
- implacable
- infernal
- inhumane
- insensitive
- malicious
- malign
- malignant
- merciless
- murderous
- noncivilized
- pitiless
- relentless
- ruthless
- sadistic
- sanguinary
- sanguineous
- satanic
- savage
- severe
- subhuman
- truculent
- unchristian
- uncivilized
- uncompassionate
- unfeeling
- ungentle
- unhuman
- unkind
- unkindly
- unrelenting
- unsympathetic
- untamed
- vicious
- wild
- wolfish
Laborin' man an' laborin' woman
Hev one glory an' one shame;
Ev'y thin' thet's done inhuman
Injers all on 'em the same.