unhuman (adj.)
- animal
- anthropophagous
- arcane
- atrocious
- barbaric
- barbarous
- beastly
- bestial
- bloodthirsty
- bloody
- bloody-minded
- brutal
- brute
- brutish
- cannibalistic
- cruel
- demoniac
- demoniacal
- devilish
- diabolic
- eerie
- esoteric
- extraterrestrial
- fell
- feral
- ferocious
- fey
- fiendish
- fierce
- hellish
- infernal
- inhuman
- inhumane
- murderous
- mysterious
- numinous
- occult
- otherworldly
- preternatural
- psychic
- ruthless
- sadistic
- sanguinary
- sanguineous
- satanic
- savage
- spiritual
- subhuman
- superhuman
- supernatural
- supernormal
- transcendental
- transmundane
- truculent
- unchristian
- uncivilized
- unearthly
- unworldly
- vicious
- wolfish