n. An adherent of a party or faction; one who is passionately or very earnestly devoted to a party or interest; specifically, one whose judgment or perception is clouded by a prejudiced adherence to his party.n. Milit., a member of a party or detachment of troops sent on a special enterprise; also, the leader of such a party.Of or pertaining to a party or faction; strongly biased in favor of a party or interest.Milit., engaged on a special enterprise: as, a partizan corps.n. A longhandled cutting weapon used in England and Scotland from the fourteenth to the sixteenth century: a name including also the halberd, fauchard, roncone, etc.n. A man, as a soldier or a guardian of the peace, armed with a partizan.