RhymeZone: partisan definitions

Definitions of partisan:

noun: a pike with a long tapering double-edged blade with lateral projections; 16th and 17th centuries
noun: a fervent and even militant proponent of something
noun: an ardent and enthusiastic supporter of some person or activity
adjective: devoted to a cause or party
adjective: adhering or confined to a particular sect or denomination or party

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See partisan used in context: 2 Shakespeare works, several books and articles.