Definitions

1. adjective

lacking in taste, refinement, or civilization; savage or brutal.

“The barbarous behavior of the hooligans at the football match was widely condemned.”

2. adjective

relating to or characteristic of barbarians or their culture.

“The barbarous tribes of the remote region have been a subject of anthropological study.”

3. adverb

in a barbarous manner or to a barbarous degree.

“The barbarously loud music kept the neighbors awake all night.”