adjective
barbaric
bar-BAR-ik/bɑːrˈbærɪk/
Regarded as lacking civilized restraint or humane conduct.
Threatening the bound, defenseless captive with a baton is barbaric treatment.

Etymology
Originally meaning “like a foreigner,” the formation reflects the shift from foreignness to supposed lack of culture. In the selected sense, it condemns behavior as uncivilized or brutal.
In context
that's not an exaggeration it really was that barbaric and it shows just how brutal a world This was
More examples
- They condemned the barbaric destruction of the village.
- The punishment seemed barbaric even to former supporters.
- The narrator called the raiders’ behavior barbaric.