正しい|ただしいtadashii[3]nakadaka (mid-high)

1. i-adjectiveright; correct
   これが正ただしいかどうか自信じしんがないんだ。↗

   I'm not sure if this is correct.
2. i-adjectiveproper; righteous; just; honest; truthful; lawful

• Synonym適正てきせいWrittenWritten word for something that meets a proper standard, as in 「適正価格」; it stresses conformity to rules rather than right versus wrong.
• Synonym正確せいかくNeutralMeans accurate and free of errors, as in 「正確な時間」; it stresses precision, while 「正しい」 is about being right or reasonable.
• Synonym適切てきせつWrittenWritten word for apt, fitting choices like 「適切な対応」; it judges suitability for the occasion, not right or wrong.
• Synonym的確てきかくWrittenWritten word for accurate and on target, as in 「的確な判断」; it stresses hitting the point.
• Synonym公明正大こうめいせいだいWrittenFour-character idiom for open, fair and aboveboard conduct, as in 「公明正大な態度」; it emphasizes upright character.
• Synonym公正こうせいNeutralMeans fair and impartial, as in 「公正な取引」; it focuses on treating every party equally.
• Synonym妥当だとうWrittenWritten word for valid and reasonable, as in 「妥当な判断」; it stresses that a conclusion holds up.
• Synonym正当せいとうWrittenWritten word for justifiable, as in 「正当な理由」 and 「正当防衛」; it stresses conformity to reason or law.
• Synonym公明こうめいWrittenWritten word for open and fair, as in 「公明な選挙」; also the abbreviation for the Komeito political party.
• SynonymフェアCasualColloquial loanword for fair and aboveboard, as in 「フェアプレー」; mostly used of games and competition.
• Synonym公平こうへいNeutralMeans even-handed treatment, as in 「公平に分ける」; it stresses impartiality rather than right or wrong.
• Synonym真実しんじつNeutralMeans truth or what is real, as in 「真実を知る」; it is about true versus false, not whether conduct is right.
• Synonym順当じゅんとうWrittenWritten word for what reason or expectation makes natural, as in 「順当に勝ち進む」; it stresses the expected outcome.
• Synonym中正ちゅうせいWrittenWritten word for impartial, as in 「中正な立場」; it stresses holding a neutral middle position.
• Synonym至当しとうWrittenWritten word for perfectly proper, as in 「至当な処置」; fairly rare.
• Synonym至公しこうWrittenWritten word for the utmost fairness; very rare and stronger in degree than 「公平」.
• Related厳正げんせいWrittenWritten word for strict and impartial, as in 「厳正な審査」; it stresses rigorous, exacting handling.
• Related誠実せいじつNeutralDescribes an honest, sincere person, as in 「誠実な人」; it is about character and is not used for correct answers.
• Related忠実ちゅうじつNeutralMeans faithful to the original, as in 「原文に忠実な訳」; also used for loyalty and devotion to duty.
• Related清廉せいれんWrittenWritten word for clean-handed and free of selfish desire, as in 「清廉潔白」; describes the integrity of officials.
• Related廉潔れんけつWrittenWritten word for incorruptible integrity; rarer and more literary than the synonym 「清廉」.
• Related潔白けっぱくWrittenMeans innocent and unstained, as in 「身の潔白を証明する」; it stresses having no guilt or wrongdoing.
• Related堅気かたぎCasualColloquial word for an ordinary, respectable person with a proper job, as opposed to gangsters, as in 「堅気になる」.
• Antonym間違ったNeutralAntonym of 「正しい」: wrong or mistaken, as in 「間違った答え」.
• Antonym誤ったNeutralAntonym of 「正しい」: erroneous, as in 「誤った判断」; leans toward written style.

For right or correct, 「正しい」 is the default. Use 「正確」 for accuracy, 「適切」 or 「的確」 for what is apt, 「妥当」 or 「正当」 for what is reasonable or justifiable, 「公正」 or 「公平」 for fairness, and 「誠実」 for an honest person. The opposites are 「間違った」 and 「誤った」. Most of the rest are written-style words for narrower shades: meeting a standard (「適正」), upright or strict impartiality (「公明正大」「厳正」「中正」), integrity (「清廉」「廉潔」「潔白」), and faithfulness (「忠実」).

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

1. 義理ぎり、人情にんじょう、信用しんよう、任侠にんきょうなどを大切たいせつにしている。人ひとの道みちというものにかなっている。
2. 理論りろん、理屈りくつに見合みあっている。計算けいさんがあう。
3. なにかの例れい形けいに沿そっている。合あっている