n. & adj. (also partizan)
--n.
1. a strong, esp. unreasoning, supporter of a party, cause, etc.
2 Mil. a guerrilla in wartime.
--adj.
1. of or characteristic of partisans.
2 loyal to a particular cause; biased.
Derivatives:
partisanship n.
Etymology: F f. It. dial. partigiano etc. f. parte PART