違法(いほう)

いほう
noun, na-adjective
illegal; unlawful
1. illegal; unlawful; against the law
Not permitted by law; in violation of legal rules or regulations.
違法(いほう)駐車(ちゅうしゃ)はやめてください。
Please do not park illegally.
これは違法(いほう)な行為(こうい)だ。
This is an illegal act.
違法(いほう)改造(かいぞう)した車(くるま)で捕(つか)まった。
He was caught with an illegally modified car.

違法(いほう) indicates something that violates the law. It functions as both a noun and a na-adjective: 違法(いほう)な行為(こうい) (an illegal act), 違法(いほう)だ (it is illegal).

COMMON COLLOCATIONS:

  • 違法(いほう)駐車(ちゅうしゃ): illegal parking
  • 違法(いほう)行為(こうい): illegal act
  • 違法(いほう)改造(かいぞう): illegal modification
  • 違法(いほう){コピー}: illegal copy, piracy
  • 違法(いほう)薬物(やくぶつ): illegal drugs
  • 違法(いほう)に: illegally (adverbial)

CONTRAST:

  • 合法(ごうほう): legal, lawful (direct opposite)
  • 不法(ふほう): unlawful, illegal (similar meaning, often used in 不法(ふほう)侵入(しんにゅう) "trespassing")

REGISTER:
Formal. Common in legal, news, and official contexts.

general
Added 2026.2.3 14:02 · Revised 2026.3.27 9:47
09500/09687_ihou