適法|てきほうtekihou[0]heiban (flat)

Common
Definitions
  1. na-adjective, no-adjectivelegal; lawful; legitimate
Conjugation
Plain form適法(てきほう)
Polite (desu)適法です(てきほうです)
Negative (dewa nai)適法ではない(てきほうではない)
polite (dewa arimasen)適法ではありません(てきほうではありません)
Past (datta)適法だった(てきほうだった)
Past negative (dewa nakatta)適法ではなかった(てきほうではなかった)
Te form (de)適法で(てきほうで)
Adverbial (ni)適法に(てきほうに)
Conditional (nara)適法なら(てきほうなら)

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

Synonyms & antonyms
  • Synonym合法ごうほうNeutralThe everyday word for legal, more common than 「適法」; 「適法」 appears mainly in legal documents and stresses conformity with legal provisions.
  • Synonym合法的ごうほうてきNeutralAdjectival form meaning legal; typically modifies means or actions, as in 「合法的な手段」. 「適法」 again is confined largely to legal writing.
  • Antonym違法いほうNeutralThe most common antonym: illegal, in violation of the law. Direct opposite of 「適法」.
  • Antonym不法ふほうNeutralUnlawful or illegal, but also unreasonable or outrageous, as in 「不法侵入」. Opposite of 「適法」.
  • Antonym非合法ひごうほうNeutralIllegal, often describing underground or clandestine activity. Opposite of 「適法」.

In legal documents, 「適法」 is the word for conforming to legal provisions; in everyday speech, 「合法」 is the usual choice. The main opposites are 「違法」 and 「不法」; use 「非合法」 for underground activity.

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

Japanese definitions
  1. 法規ほうきに適てきしていること。
Kanji in this word
English equivalents
See also

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