Antonyms of noun partisan

1 of 3 senses of partisan

Sense 1
partisan, zealot, drumbeater -- (a fervent and even militant proponent of something)
       Antonym of nonpartisan (Sense 1)
      => nonpartisan, nonpartizan -- (a person who is nonpartisan)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun partisan

3 senses of partisan

Sense 1
partisan, zealot, drumbeater -- (a fervent and even militant proponent of something)
       => advocate, advocator, proponent, exponent -- (a person who pleads for a cause or propounds an idea)

Sense 2
enthusiast, partisan, partizan -- (an ardent and enthusiastic supporter of some person or activity)
       => supporter, protagonist, champion, admirer, booster, friend -- (a person who backs a politician or a team etc.; "all their supporters came out for the game"; "they are friends of the library")

Sense 3
partisan, partizan -- (a pike with a long tapering double-edged blade with lateral projections; 16th and 17th centuries)
       => pike -- (medieval weapon consisting of a spearhead attached to a long pole or pikestaff; superseded by the bayonet)

Antonyms of adj partisan

1 sense of partisan

Sense 1
partisan (vs. nonpartisan), partizan -- (devoted to a cause or party)

nonpartisan (vs. partisan), nonpartizan -- (free from party affiliation or bias)
        => bipartisan, bipartizan, two-party, two-way -- (supported by both sides; "a two-way treaty")
        => independent -- (not controlled by a party or interest group)
        => unbiased, unbiassed -- (without bias)

Similarity of adj partisan

1 sense of partisan

Sense 1
partisan (vs. nonpartisan), partizan -- (devoted to a cause or party)
       => party-spirited -- (devoted to a political party)
       => tendentious, tendencious -- (having or marked by a strong tendency especially a controversial one; "a tendentious account of recent elections"; "distinguishing between verifiable fact and tendentious assertion")