密集

• Reading: みっしゅう
• Romaji: misshuu
• Kanji breakdown: 密 (mitsu) — dense, close, secret; 集 (shuu) — gather, collect
• Pronunciation: /miɕ.ɕɯː/

Meaning

Crowding together; dense clustering; being packed closely in one area.

A noun and suru-verb describing things or people being concentrated in a small area. Used for housing (住宅密集地), crowds, vegetation, and other tightly packed situations. Became widely known during COVID-19 as part of 三密 (three Cs: 密集, 密接, 密閉). As a suru-verb, it is intransitive (密集する).

Examples

1. この地域は住宅が密集していて火災のリスクが高い。 Houses are densely packed in this area, making the risk of fire high.
2. 観客が会場の入口付近に密集して危険だった。 The audience crowded together near the venue entrance, which was dangerous.
3. 密集した森の中は日光がほとんど届かない。 Sunlight barely reaches inside a densely packed forest.

Usage Guide

Context: urban planning, safety, nature, public health

Tone: cautionary

Origin & History

From Sino-Japanese 密 (mitsu, dense/close/secret) + 集 (shuu, to gather/collect). Literally 'densely gathered,' describing a state of high concentration in a limited space.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal