How to say "prohibit" in Japanese

• 禁ずるきんずるJLPT N1approx.Common
  ichidan verb (-zuru), transitive verbCovers the same ground as 'prohibit': to forbid or ban something. It is the ずる-type form of the same verb as 禁じる, and the two are interchangeable in meaning.
  ベッドでの煙草たばこを禁きんずる厳きびしい規則きそくがある。↗

  There is a very strict rule forbidding smoking in bed.
• 禁じるきんじるJLPT N1approx.Common
  ichidan verb, transitive verbAlso means to forbid, ban, or prohibit something. It is the じる-type counterpart of 禁ずる, with the same meaning; for any sense of 'prohibit', either verb is an acceptable choice.
  彼女かのじょは喫煙きつえんを禁きんじられた。↗

  She was prohibited from smoking.

Both words mean 'to forbid, ban, or prohibit' and are variant forms of the same verb; the difference between them is one of form rather than meaning, so either serves for any sense of 'prohibit'.

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

• 禁ずるきんずるto forbid
• 禁じるきんじるto forbid
• 差し止めるさしとめるto stop
• 禁ずきんずto forbid
• 戒めるいましめるto prohibit
• 止めるとめるto stop (someone from doing something)