不法|ふほうfuhou[0]heiban (flat)

1. na-adjective, noununlawful; illegal
   皆みなが不法ふほう外国人がいこくじんに対たいして敵対的てきたいてきな態度たいどを取とった。↗

   Everybody took a hostile attitude toward illegal aliens.
2. na-adjective, noununreasonable; outrageous; unjust; unwarranted

• Synonym違法いほうNeutralRefers to violating the law, used for legal judgments as in 「違法行為」; 「不法」 appears in fixed phrases like 「不法投棄」 and 「不法滞在」.
• Synonym非合法ひごうほうWrittenIllegal or underground, as in 「非合法組織」; a written/formal word. 「不法」 focuses on unlawful acts.
• Related不正ふせいNeutralDishonest or fraudulent conduct such as cheating, as in 「不正行為」, stressing rule violations; 「不法」 stresses illegality and can also mean outrageous or unreasonable.
• Related不届きふとどきNeutralImproper, detestable conduct carrying moral censure; 「不法」 refers to breaking the law.
• Antonym合法ごうほうNeutralLawful, in keeping with the law; the direct opposite of 「不法」.
• Antonym正当せいとうNeutralJust and reasonable, as in 「正当防衛」; the opposite of 「不法」.

For legal judgments say 「違法」; keep 「不法」 for fixed phrases like 「不法投棄」 and 「不法滞在」; use 「不正」 for cheating or dishonest conduct and 「合法」 for what is lawful.

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

1. 法律ほうりつにはずれること。
2. 仏法ぶっぽうにそむき、道みちにはずれること。
3. （ドイツ系けいの刑法学けいほうがく）構成こうせい要件ようけん該当がいとう性せいと違法性いほうせいとを包摂ほうせつする概念がいねん。（ドイツ語どいつごUnrechtの訳語やくご）