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.

Describes a lasting weakness of constitution, not a passing illness; often said of children. In geriatric medicine, frailty in old age is 虚弱(きょじゃく), now usually called フレイル.

Common collocations

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

Similar words

病弱(びょうじゃく): sickly — stresses falling ill often
弱(よわ)い: weak — the everyday word (体(からだ)が弱(よわ)い)
頑健(がんけん): sturdy, robust — the 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 2026.9.30 22:08

09000/09196_kyojaku