/ bɑːˈbærɪk; NAmE bɑːrˈb-/ adjective
1.
cruel and violent and not as expected from people who are educated and respect each other :
a barbaric act / custom / ritual
The way these animals are killed is barbaric.
2.
connected with barbarians (1)
► bar·bar·ic·al·ly / -kli; NAmE / adverb
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WORD ORIGIN
late Middle English (as a noun in the sense a barbarian ): from Old French barbarique , or via Latin from Greek barbarikos , from barbaros foreign (especially with reference to speech).