[pahr-tuh-zuh
n, -suhn; Brit. pahr-tuh-zan] 
| 1. | an adherent or supporter of a person, group, party, or cause, esp. a person who shows a biased, emotional allegiance. |
| 2. | Military. a member of a party of light or irregular troops engaged in harassing an enemy, esp. a member of a guerrilla band engaged in fighting or sabotage against an occupying army. |
| 3. | of, pertaining to, or characteristic of partisans; partial to a specific party, person, etc.: partisan politics. |
| 4. | of, pertaining to, or carried on by military partisans or guerrillas. |