重篤|じゅうとくjuutoku[0]heiban (flat)

1. na-adjective, nouncritical (condition); serious

• Synonym深刻しんこくNeutralSays a situation is serious or grave, typically of problems and their effects; it is not used to describe someone as critically ill.
• Related重大じゅうだいNeutralBroadly means serious or grave, of situations, mistakes and matters in general — not limited to illness; 「重篤」 is reserved for a critical medical condition.
• Antonym軽症けいしょうNeutralA medical term for a mild illness or mild symptoms; the direct opposite of 「重篤」, which means critically ill.
• Antonym軽微けいびWrittenA written, formal word meaning slight or minor, mostly of damage and accidents; when comparing symptoms, 「軽微な症状」 can contrast with 「重篤な症状」.

Use 「重篤」 only for a critical illness, as in 「重篤な症状」. For serious situations, problems or matters, choose 「深刻」 or 「重大」. The opposite of a critical condition is 「軽症」.

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

1. 病気びょうきの症状しょうじょうが非常ひじょうに重おもいこと。