公平|こうへいkouhei[0]heiban (flat)

1. noun, na-adjectivefairness; impartiality; justice; objectivity

• Synonym公正こうせいNeutralEmphasizes being correct and free of self-interest, as in 「公正な取引」; 「公平」 stresses treating everyone even-handedly without favoring either side.
• Synonym平等びょうどうNeutralRefers to identical status or rights for all, as in 「男女平等」; 「公平」 is about handling matters without favoring one side.
• Synonym厳正げんせいWrittenWritten style: strict as well as fair, as in 「厳正な審査」. More solemn than 「公平」 and stresses rigor.
• Synonym公明こうめいWrittenWritten style: fair and unselfish, open and aboveboard; often seen in 「公明正大」. Also short for the party 「公明党」.
• Synonym正当せいとうNeutralMeans proper and in keeping with reason, as in 「正当な理由」; 「公平」 stresses impartiality toward all sides.
• SynonymフェアCasualColloquial loanword for fair and aboveboard, mostly in games and deals; 「公平」 is the more general word.
• Synonym公明正大こうめいせいだいWrittenWritten four-character idiom: open, upright, fair and unselfish; stronger in tone than 「公平」.
• Synonym中正ちゅうせいWrittenWritten style: impartial, not leaning to either side; in everyday speech say 「公平」.
• Synonym至公しこうWrittenWritten and rare: perfect, utmost fairness; in everyday speech say 「公平」.
• Related適正てきせいWrittenWritten style: appropriate and reasonable, as in 「適正価格」; 「公平」 stresses treating all parties alike.
• Antonym不公平ふこうへいNeutralOpposite of 「公平」 in terms of bias: unfairness or favoritism.
• Antonym偏りかたよりNeutralOpposite of 「公平」 in terms of bias: leaning toward one side, out of balance.

Default to 「公平」 for treating all sides even-handedly. Choose 「公正」 for correctness without self-interest, 「平等」 for equal status or rights, 「厳正」 for strict fairness in formal writing, 「正当」 for what is justified, and 「フェア」 in casual talk about games and deals. 「公明」「中正」「至公」「適正」「公明正大」 are written-style near-synonyms; 「不公平」 and 「偏り」 are opposites.

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

1. 偏かたよった判断はんだんや処理しょりをせずに全すべてを公正こうせいに扱あつかうこと。
2. （こうへい、きみひら）日本人にほんじんの男性名だんせいめい。