衰弱

• 読み: すいじゃく
• ローマ字: suijaku
• 漢字の分解: 衰 (sui) — decline, weaken; 弱 (jaku) — weak, feeble
• 発音: /sɯi.dʑa.kɯ/

意味

Debility; weakness; enfeeblement; decline. A state of severe physical or mental weakening, often from illness or prolonged hardship.

A noun (also used as a suru-verb: 衰弱する) describing progressive deterioration of bodily or mental strength. Commonly appears in medical contexts with qualifiers such as 著しく (markedly), 急激に (rapidly), or 極度に (to the extreme). Distinct from 疲労 (fatigue) in that it implies a more serious, lasting diminishment.

例文

1. 長期入院で体が衰弱し、立ち上がるのも困難になった。
2. 食欲不振が続き、著しく衰弱している患者が搬送された。
3. 高齢者が感染症にかかると急激に衰弱することがある。

使い方ガイド

場面: medicine, elderly care, critical care, healthcare

トーン: clinical, serious

起源と歴史

Sino-Japanese compound: 衰 (sui) means to decline or weaken, and 弱 (jaku) means weak or feeble. Both characters reinforce the sense of failing strength, and the compound has been used in classical Chinese medical texts.

文化的背景

時代: Classical-Modern

世代: Adult

社会的背景: Universal