diabolical (adj.)
- animal
- anthropophagous
- atrocious
- barbaric
- barbarous
- beastly
- bestial
- bloodthirsty
- bloody
- bloody-minded
- brutal
- brute
- brutish
- cannibalistic
- cruel
- cursed
- damnable
- demoniac
- demoniacal
- demonic
- devilish
- diabolic
- execrable
- fell
- feral
- ferocious
- fiendish
- fierce
- ghoulish
- hellish
- infernal
- inhuman
- inhumane
- murderous
- ruthless
- sadistic
- sanguinary
- sanguineous
- satanic
- savage
- subhuman
- truculent
- unchristian
- uncivilized
- ungodly
- unhuman
- vicious
- wolfish
A circulating library in a town is as an evergreen tree of diabolical knowledge.
