A barbarism is a word or expression that is not standard in a language. See Barbarism (grammar) .

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Barbarism is a form of art also known as primitivism. See Primitivism (art).

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Barbarism may refer to a civilisation that has lapsed from a "higher" historical era in terms of its social structure, technology, etc. It may also be a (pejorative) description of one civilisation by another that considers itself sociologically or technologically its superior.