問答無用

• 読み: もんどうむよう
• ローマ字: mondou muyou
• 漢字の分解: 問 (mon) — question, ask; 答 (dou) — answer, reply; 無 (mu) — without, not; 用 (you) — need, use, purpose
• 発音: /mon.doː.mɯ.joː/

意味

No discussion needed; brooking no argument; beyond discussion. A declaration that debate or explanation is unnecessary and action will follow immediately.

A yojijukugo (four-character idiom) that shuts down deliberation. 問答 means dialogue or exchange of questions and answers, 無用 means unnecessary or useless — together declaring that further talk is pointless. Often used by someone in authority to override discussion and move directly to action. Can convey decisiveness or authoritarianism depending on context.

例文

1. 問答無用と言わんばかりに、警備員は不審者を建物の外に連れ出した。
2. 上司は問答無用でプロジェクトの中止を宣言し、会議室に沈黙が流れた。
3. 状況が緊急のときは問答無用で行動することも必要だと、彼は主張した。

使い方ガイド

場面: authority, conflict, leadership, law enforcement

トーン: decisive

起源と歴史

A classical Chinese-derived yojijukugo. 問答 (question and answer, dialogue) + 無用 (unnecessary, pointless) — expressing that further discourse serves no purpose and action must replace words.

文化的背景

時代: Classical–Modern

世代: All ages

社会的背景: Universal