How to say "injustice" in Japanese

• 不正ふせいJLPT N3approx.Common
  na-adjective, no-adjectiveThe default choice for injustice as wrongdoing or unfairness, whether in society, politics, or business. It covers corrupt or dishonest acts generally and is the safest word when unsure.
  不正ふせいには抗議こうぎせざるをえない。↗

  You must speak out against injustice.
• 無法むほうCommon
  nounInjustice as outrageous, lawless conduct that ignores rules or order entirely. Fits violent or anarchic behavior rather than everyday unfairness; often closer to lawlessness or outrage than plain injustice.
• 不義ふぎCommon
  no-adjectiveInjustice as moral misconduct or immorality, especially acts violating ethical or personal duty. For many English uses of injustice, especially social unfairness, this is not the word you want.
• 不公平ふこうへいCommon
  noun, na-adjectiveInjustice as unfairness or partiality, where the point is that someone is treated unequally or a rule is biased. Choose this when the grievance is imbalance or favoritism rather than wrongdoing.
  もし私わたしたちが彼かれをそんなにひどく扱あつかうなら、それは不公平ふこうへいだろう。↗

  It would be unfair if we treated him so badly.

Use 不正 for wrongdoing in general, 無法 for outrageous lawlessness, 不義 for moral misconduct or immorality, and 不公平 when the emphasis is on unfairness or partiality.

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

• 不正ふせいinjustice
• 無法むほうlawlessness
• 不義ふぎimmorality
• 不公平ふこうへいunfairness
• 失当しっとうinjustice
• 不公正ふこうせいinjustice
• 曲事きょくじwickedness
• 不義理ふぎりneglect of one's social obligations