Definition of PARTISAN
1: a firm adherent to a party, faction, cause, or person; especially : one exhibiting prejudiced, and unreasoning allegiance
2a : a member of a body of detached light troops making forays and harassing an enemy
b : a member of a guerrilla band operating within enemy lines
1: a firm adherent to a party, faction, cause, or person; especially : one exhibiting prejudiced, and unreasoning allegiance
2a : a member of a body of detached light troops making forays and harassing an enemy
b : a member of a guerrilla band operating within enemy lines