How to say "neutrality" in Japanese

• 中性ちゅうせいJLPT N2approx.Common
  no-adjectiveCovers scientific senses of neutrality, including chemical and electrical neutrality. It can also mean indifference or blandness, so it is the word for non-reactivity in chemistry rather than for taking no side.
  リトマス紙しで溶液ようえきの液性えきせい（酸性さんせい、中性ちゅうせい、塩基性えんきせい）を調しらべるときは、リトマス紙しをすべて溶液ようえきに浸ひたすのではなく、紙かみの先端せんたんの部分ぶぶんだけを浸ひたします。↗

  When investigating the pH (acidic, neutral, alkaline) of a liquid, don't soak the litmus paper completely in the liquid but just put the end of the paper in it.
• 中立ちゅうりつJLPT N1approx.Common
  nounThe usual word for neutrality in the sense of not taking sides in a conflict, dispute, or debate, such as a country remaining neutral in a war or a group staying neutral politically.
  その国くには第だい二に次じ世界せかい大戦たいせん中ちゅうは中立ちゅうりつを保たもっていた。↗

  That country remained neutral throughout World War II.
• 不偏不党ふへんふとうCommon
  no-adjectiveA four-character idiom emphasizing strict impartiality and freedom from bias. It suits neutrality of judgment or conduct, as in news reporting or judging, rather than physical or political neutrality.
  不偏ふへん不党ふとうの精神せいしんで、などとかっこ付つけているけど、結局けっきょくのところ自分じぶんの意見いけんを持もっていないだけじゃないの。↗

  He puts on a show of being impartial and unbiased, but I think he's just a guy with no opinion of his own.

Use 中立 for political or military neutrality, 中性 for chemical or electrical neutrality, and 不偏不党 when stressing impartiality or fairness, especially of people or institutions.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 中性ちゅうせいneutrality (incl. chemical, electrical, etc.)
• 中立ちゅうりつneutrality
• 不偏不党ふへんふとうimpartiality
• 中立性ちゅうりつせいneutrality
• 局外中立きょくがいちゅうりつneutrality
• ニュートラリティーneutrality
• 不偏ふへんimpartiality
• 不介入ふかいにゅうnoninvolvement