/ ˈbɑːbərɪzəm; NAmE ˈbɑːrb-/ noun [ U ]
1.
a state of not having any education, respect for art, etc.
2.
cruel or violent behaviour :
the barbarism of war
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WORD ORIGIN
late Middle English : from Old French barbarisme , via Latin from Greek barbarismos , from barbarizein speak like a foreigner, from barbaros foreign.