barbarous (adj.)
- alien
- animal
- anthropophagous
- atrocious
- backward
- barbarian
- barbaric
- beastly
- benighted
- bestial
- bloodthirsty
- bloody
- bloody-minded
- brutal
- brute
- brutish
- cacophonous
- cannibalistic
- careless
- clumsy
- coarse
- cretinous
- crude
- cruel
- deceived
- demoniac
- demoniacal
- devilish
- diabolic
- dysphemistic
- erroneous
- exotic
- exterior
- external
- extraneous
- extraterrestrial
- extrinsic
- faulty
- fell
- feral
- ferine
- ferocious
- fiendish
- fierce
- foreign
- foreign-born
- graceless
- gross
- harsh
- heathen
- hellish
- ignorant
- ill-bred
- illiterate
- impolite
- imprecise
- improper
- impure
- incorrect
- indecorous
- inelegant
- infelicitous
- infernal
- inhuman
- inhumane
- intrusive
- loose
- low
- lowbrow
- malign
- malignant
- merciless
- murderous
- noncivilized
- nonintellectual
- outlandish
- outside
- pagan
- philistine
- pitiless
- primitive
- rough-and-ready
- rude
- ruthless
- sadistic
- sanguinary
- sanguineous
- satanic
- savage
- slipshod
- slovenly
- strange
- subhuman
- tasteless
- truculent
- ulterior
- unbooked
- unchristian
- uncivil
- uncivilized
- uncombed
- unconscionable
- uncouth
- uncultivated
- uncultured
- undignified
- unearthly
- uneducated
- ungentle
- ungodly
- ungraceful
- unguided
- unholy
- unhuman
- uninstructed
- unkempt
- unlearned
- unlettered
- unliterary
- unpolished
- unread
- unrefined
- unscholarly
- unschooled
- unseemly
- unstudious
- untamed
- untaught
- untutored
- vicious
- vulgar
- wicked
- wild
- wolfish
Fill'd the air with barbarous dissonance.
Th' adorning thee with so much art
Is but a barb'rous skill;
'T is like the pois'ning of a dart,
Too apt before to kill.
