1 partisan | Definition of partisan

partisan

noun (1)
par·​ti·​san | \ ˈpär-tÉ™-zÉ™n How to pronounce partisan (audio) , -sÉ™n How to pronounce partisan (audio) , -ËŒzan, chiefly British ËŒpär-tÉ™-ˈzan\
variants: or less commonly partizan

Definition of partisan

 (Entry 1 of 3)

1 : a firm adherent to a party, faction, cause, or person especially : one exhibiting blind, prejudiced, and unreasoning allegiance political partisans who see only one side of the problem
2a : a member of a body of detached light troops making forays and harassing an enemy Peasant partisans assaulted the French army.
b : a member of a guerrilla band operating within enemy lines Polish partisans had blown up two trainsSpringfield (Mass.) Union