n.
  - (in ancient times) a member of a people not belonging to one of the major civilizations (Greek, Roman, Christian).
 - an uncultured or brutish person.
 
adj.
  - relating to ancient barbarians.
 - uncultured; brutish.
 
 
  Etymology
  ME: from OFr. barbarien, from barbare, or from L. barbarus, from Gk barbaros ‘foreign’.