Barbarous

Bar·ba·rous

Barbarous

a.
  1. Being in the state of a barbarian; uncivilized; rude; peopled with barbarians; as, a barbarous people; a barbarous country.
  2. Foreign; adapted to a barbaric taste. [Obs.]
    Barbarous gold.
  3. Cruel; ferocious; inhuman; merciless.
    By their barbarous usage he died within a few days, to the grief of all that knew him.
  4. Contrary to the pure idioms of a language.
    A barbarous expression
    — G. Campbell.