Irregular
Irregular adjective - (used of the military) not belonging to or engaged in by regular army forces.
Usage example: irregular troops
Partisan is a synonym for irregular in resistance topic. In some cases you can use "Partisan" instead the word "Irregular" as an adjective or a noun, when it comes to topics like unofficial, resistance fighter.
Nearby Words: irregularity, irregularly
Partisan
Partisan adjective - Inclined to favor one side over another.
Irregular is a synonym for partisan in underground topic. Sometimes you can use "Irregular" instead the word "Partisan" as a noun or an adjective, if it concerns topics such as guerrilla, underground fighter.
Nearby Word: partisanship
Cite this Source
Partisan and Irregular. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/irregular/partisan
Irregular & Partisan. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/irregular/partisan>.
Partisan or Irregular. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/irregular/partisan.
Google Ngram Viewer shows how "irregular" and "partisan" have occurred on timeline