病弱|びょうじゃくbyoujaku[0]heiban (flat)

1. na-adjective, no-adjectiveweak (constitution); sickly; feeble; in poor health
   彼かれは病弱びょうじゃくというハンデを負おわされている。↗

   He is handicapped by poor health.

• Synonym虚弱きょじゃくNeutralWeak constitution, as in 「虚弱体質」; covers weakness present from birth or developed later, but does not stress falling ill often.
• Synonym多病たびょうWrittenA written/formal term for being often ill, as in 「才子多病」; it stresses frequent sickness and is close in meaning to 「病弱」.
• Related柔弱にゅうじゃくWrittenA written/formal term for weakness of character — soft, spineless; it describes personality, whereas 「病弱」 is only about the body.
• Related羸弱るいじゃくWrittenRefers to bodily weakness or decline; an extremely literary word that is rarely used.
• Related弱さよわさNeutralA noun for weakness itself or its degree; it also covers weakness of character, so its range is much broader than 「病弱」.
• Relatedひ弱さNeutralFrailty or delicacy of constitution; stresses a weak, delicate frame rather than frequent illness, so it does not always replace 「病弱」.
• Antonym強健きょうけんNeutralAntonym: a strong, robust physique or constitution; it stands opposite to the sickly, often-ill state of 「病弱」.
• Antonym頑健がんけんNeutralAntonym: sturdy and healthy, physically strong; the direct opposite of 「病弱」.

Use 「病弱」 for a weak body that falls ill easily, as in 「病弱な子供」. For a weak constitution say 「虚弱」, for frequent illness 「多病」, for frail delicacy 「ひ弱」. Formal 「柔弱」 speaks of character and 「羸弱」 of bodily decline; antonyms are 「強健」 and 「頑健」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 体からだが弱よわくて病気びょうきに罹かかりやすい様子ようす。