/ ˈʃəʊvɪnɪzəm; NAmE ˈʃoʊ-/ noun [ U ] ( disapproving )
1.
an aggressive and unreasonable belief that your own country is better than all others
2.
= male chauvinism
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WORD ORIGIN
late 19th cent.: named after Nicolas Chauvin , a Napoleonic veteran noted for his extreme patriotism, popularized as a character by the Cogniard brothers in Cocarde Tricolore (1831).