Partisan
Part of speech: adjective
Definition: Adherent to a party or faction; especially, having the character of blind, passionate, or unreasonable adherence to a party; as, blinded by partisan zeal. Devoted to or biased in support of a party, group, or cause: partisan politics. Serving as commander or member of a body of detached light troops: as, a partisan officer or corps.
Part of speech: noun
Definition: An adherent to a party or faction. A fervent, sometimes militant, supporter or proponent of a party, cause, faction, person, or idea. The commander of a body of detached light troops engaged in making forays and harassing an enemy. Any member of such troops. A spear with a triangular, double-edged blade. A soldier armed with such a weapon.
Example sentence: I understand why so many Americans are fed up with government. The 112th Congress was almost universally derided as the worst ever. It was the most polarized body since the end of Reconstruction, according to one study, and I grew embarrassed by its partisan bickering, inactivity, and refusal to address the vital challenges facing America.
Zealot
Part of speech: noun
Definition: one who is zealous, one who is full of zeal for his own specific beliefs or objectives, usually in the negative sense of being too passionate; a fanaticoriginally a member of the Zealot movement of first century Judaisma member of a radical, warlike, ardently patriotic group of Jews in Judea, particularly prominent from a.d. 69 to 81, advocating the violent overthrow of Roman rule and vigorously resisting the efforts of the Romans and their supporters to heathenize the Jews.