蔓延

• 読み: まんえん
• ローマ字: manen
• 漢字の分解: 蔓 (man) — vine, spread; 延 (en) — extend, prolong
• 発音: /maŋ.e̞ŋ/

意味

Spread; epidemic; prevalence; proliferation. The wide and often uncontrolled spreading of disease, misinformation, or a harmful phenomenon.

A noun and suru-verb (蔓延する) originally describing vines spreading across a surface, now primarily used for the spread of infectious disease, harmful ideas, or social problems. 感染症の蔓延 (spread of infectious disease) is the most common medical usage. The term implies difficulty in containment, suggesting the spread has exceeded manageable bounds.

例文

1. 感染症の蔓延を防ぐため、政府は緊急の対策を打ち出した。
2. インフルエンザが学校中に蔓延し、学級閉鎖が相次いだ。
3. 偽情報の蔓延が社会的パニックを引き起こすことがある。

使い方ガイド

場面: medicine, epidemiology, public health, social issues, news

トーン: urgent, serious

起源と歴史

Sino-Japanese compound: 蔓 (man) refers to a creeping vine that spreads extensively, and 延 (en) means to extend or prolong. The metaphor of a vine spreading uncontrollably is applied to disease and other phenomena that proliferate widely.

文化的背景

時代: Classical-Modern

世代: Adult

社会的背景: Universal