<p><strong>Noun</strong></p><ul><li>an adherent or supporter of a person, group, party, or cause, especially a person who shows a biased, emotional allegiance.</li><li>Military: a member of a party of light or irregular troops engaged in harassing an enemy, especially a member of a guerrilla band engaged in fighting or sabotage against an occupying army.</li></ul><p><strong>Antonyms</strong></p><ul><li>opponent</li></ul><p><strong>Adjective</strong></p><ul><li>of, relating to, or characteristic of partisans; partial to a specific party, person, etc.: partisan politics.</li><li>Synonyms: prejudiced, biased</li><li>of, relating to, or carried on by military partisans or guerrillas.</li></ul>