GrammarN13 min read2026-02-17

〜まじき

N1 grammar pattern "〜まじき": Unacceptable; Not permissible. Usage guide with examples.

Meaning

Used in formal or written contexts to express dissatisfaction or criticism of behavior or attitudes.

Emphasizes that the action or attitude is inappropriate or contrary to basic standards.

Usage is limited to specific contexts, such as with phrases like "あるまじき" or "許すまじき".

Formation

Part of speechFormation
動詞動詞 (辞書形)+ まじき 「する」は「すまじき」と言うこともできる
名詞名詞 + まじき

Examples

  1. 生徒に暴力を振るうなんて、教師としてあるまじき行為だ。
    It is unbecoming of a teacher to be violent with a student.

  2. SNSで学校の悪口や授業の様子を投稿するなど、許すまじき行為だ。
    It is an unforgivable act to post bad comments about the school and the class on social media.

  3. 試験中にカンニングのような許すまじき行為をした者は0点にします。
    Those who commit unforgivable acts such as cheating during exams will receive zero points.

  4. 飲酒運転によるひき逃げは許すまじき犯罪だ。
    Hit-and-run by a drunk driver is an unforgivable crime.

Summary

  • 〜まじき means "Unacceptable; Not permissible"
  • Formation: 動詞 → 動詞 (辞書形)+ まじき 「する」は「すまじき」と言うこともできる; 名詞 → 名詞 + まじき
  • This is an N1-level grammar pattern

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