遮断する

• Reading: しゃだんする
• Romaji: shadan suru
• Kanji breakdown: 遮 (sha) — to block, obstruct; 断 (dan) — to cut, sever, refuse
• Pronunciation: /ɕa.daɴ.sɯ.ɾɯ/

Meaning

To cut off; to block; to intercept; to shut out. Describes completely stopping the flow or passage of something.

A する verb (Group 3). Used for blocking physical passages (roads, railways), cutting off utilities (electricity, gas), or figuratively isolating from information or contact. Implies a complete, deliberate severance. Related noun: 遮断機 (railway crossing barrier).

Examples

1. 事故のため、道路が遮断されている。 The road is blocked due to an accident.
2. 大雨で電気が遮断されて、街全体が停電した。 Heavy rain cut off the electricity, causing a blackout across the entire city.
3. 外部からの情報を遮断して、集中する環境を作った。 I cut off outside information and created an environment for focused work.

Usage Guide

Context: infrastructure, emergencies, isolation

Tone: urgent

Origin & History

From Chinese 遮斷. 遮 means 'to obstruct/block' and 断 means 'to cut/sever.' Together: to block and sever completely.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal