bar ‧ bar ‧ ous /ˈbɑːb ə rəs $ ˈbɑːr-/ BrE AmE adjective
[ Date: 1400-1500 ; Language: Latin ; Origin: barbarus , from Greek barbaros 'foreign' ]
1 . extremely cruel in a way that is shocking SYN barbaric :
The trade in exotic birds is barbarous.
2 . wild and not ↑ civilized :
a savage barbarous people
—barbarously adverb