虚 弱(きょじゃく)

きょじゃく

na-adjective

weak, feeble, frail

1. weak, feeble, frail, delicate

Describes a person or constitution that is physically weak and prone to illness. Often refers to an inherent or chronic condition of poor health.

虚弱(きょじゃく)体質(たいしつ)

weak constitution

子供(こども)の頃(ころ)は虚弱(きょじゃく)だった。

I was frail as a child.

虚弱(きょじゃく)な体(からだ)を克服(こくふく)するために、毎日(まいにち)運動(うんどう)を始(はじ)めた。

I started exercising daily to overcome my weak constitution.

Adjective type: Na-adjective. Uses な before nouns: 虚弱(きょじゃく)な子供(こども).

Medical context: 虚弱(きょじゃく)体質(たいしつ) (weak constitution) is a common medical/health term describing someone prone to illness.

Nuance: 虚弱(きょじゃく) typically describes an inherent weakness rather than temporary illness. It's often used for children or people with chronic health issues.

Common collocations

虚弱(きょじゃく)体質(たいしつ) (weak constitution)
虚弱(きょじゃく)な体(からだ) (frail body)
虚弱(きょじゃく)な子供(こども) (sickly child)

Related words

弱(よわ)い (weak - more common)
病弱(びょうじゃく) (sickly, delicate - similar)
頑健(がんけん) (sturdy, robust - opposite)
壮健(そうけん) (healthy, robust - opposite)

Related Words

Synonym: 病弱(びょうじゃく) (sickly)

Antonym: 頑健(がんけん) (sturdy, robust)

Antonym: 壮健(そうけん) (healthy, robust)

Related: 弱(よわ)い (weak)

Compare: 柔弱(じゅうじゃく) (weak)

general

Added 2026.2.1 10:42 · Revised 2026.9.2 13:01

09000/09196_kyojaku