無断(むだん)

むだん
noun / adverb
without permission
1. without permission, unauthorized
Doing something without obtaining prior consent or notifying the appropriate person. Used to describe actions taken without the knowledge or approval of others.
無断(むだん)欠席(けっせき)は困(こま)ります。
Unexcused absences are a problem.
無断(むだん)で写真(しゃしん)を撮(と)らないでください。
Please do not take photos without permission.
他人(たにん)の著作物(ちょさくぶつ)を無断(むだん)で転載(てんさい)することは法律(ほうりつ)違反(いはん)になる。
Reposting someone else's work without permission is a legal violation.

USAGE:
Can be used either as a noun modifier (無断(むだん) + noun) or adverbially (無断(むだん)で). Common on signs and in rules.

COMMON COLLOCATIONS:

  • 無断(むだん)欠席(けっせき): unexcused absence
  • 無断(むだん)転載(てんさい): unauthorized reproduction
  • 無断(むだん)使用(しよう): unauthorized use
  • 無断(むだん)駐車(ちゅうしゃ): unauthorized parking
  • 無断(むだん)で: without permission (adverbial)
general
Added 2026.2.24 20:07
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