健全|けんぜんkenzen[0]heiban (flat)

1. na-adjective, nounhealthy; sound; wholesome
   母子ぼしともに健全けんぜんです。↗

   Mother and child are both doing well.

• Synonym健康けんこうNeutralPhysical health, as in 「健康診断」. Mostly about the body, while 「健全」 also covers systems and finances working properly.
• Synonym健やかすこやかWrittenWritten style, for healthy growth as in 「健やかに育つ」. Carries a gentle, wishful tone.
• Synonym健康的けんこうてきNeutralHealthy-looking or good for you, as in 「健康的な生活」; leans toward lifestyle, while 「健全」 is about a state being normal and sound.
• SynonymヘルシーCasualColloquial loanword for healthy food, as in 「ヘルシーな料理」. Suggests low-calorie, health-conscious eating.
• Related達者たっしゃCasualColloquial: hale and hearty, or skilled at something, as in 「お達者で」. Often said of lively elderly people.
• Related元気げんきCasualIn good spirits and good health, as in 「元気ですか」. The everyday spoken word; 「健全」 is more formal and broader.
• Related良好りょうこうWrittenWritten style: a state or result is good, as in 「経過良好」. About conditions and outcomes, not specifically body or mind.
• Related剛健ごうけんWrittenWritten style: robust and hardy in body and mind, as in 「質実剛健」. Leans toward character and bearing.
• Related壮健そうけんWrittenWritten style: strong in body and full of vigor. Rare today, seen mostly in letters.
• Related健勝けんしょうFormalFormal: mostly in letter greetings like 「ご健勝をお祈りします」, but also without honorifics, as in 「健勝に暮らす」.
• Related勇健ゆうけんWrittenWritten style: strong and healthy in body and mind. Rare in modern use, found in old-fashioned letters.
• Related健常けんじょうWrittenWritten style: able-bodied, with no disability, as in 「健常者」. Usually contrasted with disability.
• Antonym不健全ふけんぜんNeutralThe direct opposite of 「健全」: unhealthy or abnormal, as in 「不健全な関係」.
• Antonym病的びょうてきWrittenWritten style: morbid, abnormal, as in 「病的な執着」. Stands opposite to being sound and normal.

Use 「健全」 for soundness of mind and body or for systems and finances working properly, as in 「健全な精神」「健全な財政」. For physical health say 「健康」, or 「元気」 in everyday speech. The opposites are 「不健全」 and 「病的」.

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

1. 心身しんしんに異常いじょうがなく健康けんこうであること。そのさま。
2. 物事ものごとが正常せいじょうに機能きのうしてしっかりした状態じょうたいであること。そのさま。
3. 倫理的りんりてきにただしいさま。偏向へんこうなどのないこと。そのさま。
4. 論証ろんしょうが妥当だとうであり、且かつその前提ぜんていの全すべてが真しんであること。X_1,…,X_n⊢Y が X_1,…,X_n⊧Yを含意がんいすること。そのさま。