par·​ti·​san·​ship | \ ˈpär-tə-zən-ˌship How to pronounce partisanship (audio) , -sən-, -ˌzan-, chiefly British ˌpär-tə-ˈzan-\

Definition of partisanship

: the quality or state of being partisan : strong and sometimes blind adherence to a particular party, faction, cause, or person political partisanship The Court is so riven by partisanship that justices even pick their law clerks in ways influenced by ideology …— Anthony Lewis The succession of Civil War, Reconstruction and the Gilded Age was marked by bitter partisanship, endemic corruption, appalling violence and a general sense that democracy was failing.— Jon Grinspan

First Known Use of partisanship

1798, in the meaning defined above

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The first known use of partisanship was in 1798

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a calculated move

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