不健康|ふけんこうfukenkou[2]nakadaka (mid-high)

1. na-adjective, nounpoor health; ill health; unhealthy
   私達わたしたちは彼かれの不健康ふけんこうを考慮こうりょしなければならない。↗

   We must allow for his poor health.

• Synonym病弱びょうじゃくWrittenA written word for someone with a weak constitution who falls ill often; it covers only physical frailty, while 「不健康」 can also describe a lifestyle that harms health.
• Synonym不健全ふけんぜんWrittenA written word for what is unsound in mind, thinking, or institutions — e.g. public finances or social morals; its scope leans toward the social level.
• Antonym健康けんこうNeutralThe direct opposite of 「不健康」: a good state of body and mind. Neutral in register and by far the most common of these words.

Use 「不健康」 for a lifestyle or diet that harms health, 「病弱」 for someone frail and often ill, and 「不健全」 for a poor social climate or unsound institutions.

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

1. 健康けんこうでないこと。体調たいちょうが悪わるいこと。健康けんこう、身体しんたいによくないこと。また、そのようなさま。
2. 考え方かんがえかたや行動こうどうが不正ふせいで健康的けんこうてきでないこと。