partisan

¹ American  

[pahr-tuh-zuhn, -suhn, pahr-tuh-zan] / ˈpɑr tə zən, -sən, ˌpɑr təˈzæn /

Sometimes partizan

noun

1. an adherent or supporter of a person, group, party, or cause, especially a person who shows a biased, emotional allegiance.

   Antonyms:

   opponent

2. 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.

---

adjective

1. of, relating to, or characteristic of partisans; partial to a specific party, person, etc..

   partisan politics.

   Synonyms:

   prejudiced, biased

2. of, relating to, or carried on by military partisans or guerrillas.

partisan ² American  

[pahr-tuh-zuhn, -suhn] / ˈpɑr tə zən, -sən /

Also partizan

noun

1. a shafted weapon of the 16th and 17th centuries, having as a head a long spear blade with a pair of curved lobes at the base.

---

partisan ¹ British  

/ ˈpɑːtɪˌzæn, ˌpɑːtɪˈzæn /

noun

1. an adherent or devotee of a cause, party, etc

2. 1. a member of an armed resistance group within occupied territory, esp in Italy or the Balkans in World War II

   2. ( as modifier )

      partisan forces

---

adjective

1. of, relating to, or characteristic of a partisan

2. relating to or excessively devoted to one party, faction, etc; one-sided

   partisan control

partisan ² British  

/ ˈpɑːtɪzən /

noun

1. a spear or pike with two opposing axe blades or spikes

---

Related Words

See follower.

Other Word Forms

• partisanry noun
• partisanship noun

Etymology

Origin of partisan¹

First recorded in 1545–55; from Middle French, from Upper Italian parteźan (Tuscan partigiano ), equivalent to part(e) “faction, part” ( part ) + -eźan (from unattested Vulgar Latin -ēs- adjective suffix of place ( -ese ) + Latin -iānus adjective suffix ( -ian )

Origin of partisan²

1550–60; < Middle French partizane < Upper Italian parteźana, probably by ellipsis from (unattested) arma parteźana “weapon borne by members of a faction”; partisan ¹

Example Sentences

Protecting kids from addictive platforms isn’t a partisan issue.

From The Wall Street Journal • Apr. 1, 2026

A more apt and kind description might be “misguided” but, setting that aside, Mr. Swaim correctly notes that “in general, religious language fits badly in partisan spaces.”

From The Wall Street Journal • Mar. 18, 2026

The wheelchair protection regulations should not be a partisan issue, as disability access represents a fundamental safety and civil rights concern that transcends political ideology.

From Los Angeles Times • Mar. 15, 2026

Thursday's meeting at the iconic Wankhede Stadium, in front of loud partisan support for the hosts, should be mouth-watering.

From BBC • Mar. 3, 2026

Anthony’s Quaker upbringing also had discouraged interest in partisan politics and women’s suffrage, so she focused on working with the temperance movement.

From "Votes for Women!" by Winifred Conkling

Related Words

• backer
• defender
• devotee
• follower
• stalwart
• supporter
• sympathizer
• zealot