違法|いほうihou[0]heiban (flat)

Common
Definitions
  1. na-adjective, no-adjectiveillegal; illicit; unlawful
    あそこに駐車ちゅうしゃするのは違法いほうです。↗
    It is illegal to park a car there.
Conjugation
Plain form違法(いほう)
Polite (desu)違法です(いほうです)
Negative (dewa nai)違法ではない(いほうではない)
polite (dewa arimasen)違法ではありません(いほうではありません)
Past (datta)違法だった(いほうだった)
Past negative (dewa nakatta)違法ではなかった(いほうではなかった)
Te form (de)違法で(いほうで)
Adverbial (ni)違法に(いほうに)
Conditional (nara)違法なら(いほうなら)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym不法ふほうWrittenWritten/formal prose. Covers illegal acts but also outrageous, unjust behavior, as in 「不法侵入」 and 「不法投棄」; 「違法」 focuses on breaking a specific law.
  • Synonym非合法ひごうほうWrittenWritten/formal prose. Means not legal, in violation of legal provisions, as in 「非合法活動」; close in meaning to 「違法」 but used less often.
  • Antonym合法ごうほうNeutralNeutral. Means in accordance with the law, as in 「合法的な手段」; the direct opposite of 「違法」 and the everyday word of choice.
  • Antonym適法てきほうWrittenWritten/formal prose. Means conforming to laws and regulations; legal jargon, the opposite of 「違法」. In everyday speech people say 「合法」.

Use 「違法」 for breaking the law, as in 「違法駐車」. For unlawful entry or dumping say 「不法」; 「非合法活動」-type 「非合法」 is a rarer near-match. The everyday antonym is 「合法」; legal documents prefer 「適法」.

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

Japanese definitions
  1. 法律ほうりつに背そむくこと。
  2. 法律ほうりつに背そむいている。
Kanji in this word
English equivalents
See also

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