不健全|ふけんぜんfukenzen[2]nakadaka (mid-high)

Common
Definitions
  1. na-adjective, nounmorbid; unhealthful; insalubrious
    リーダーたちの不和ふわが不健全ふけんぜんなセクショナリズムをもたらした。↗
    The conflicts among leaders resulted in unhealthy sectionalism.
Conjugation
Plain form不健全(ふけんぜん)
Polite (desu)不健全です(ふけんぜんです)
Negative (dewa nai)不健全ではない(ふけんぜんではない)
polite (dewa arimasen)不健全ではありません(ふけんぜんではありません)
Past (datta)不健全だった(ふけんぜんだった)
Past negative (dewa nakatta)不健全ではなかった(ふけんぜんではなかった)
Te form (de)不健全で(ふけんぜんで)
Adverbial (ni)不健全に(ふけんぜんに)
Conditional (nara)不健全なら(ふけんぜんなら)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym不健康ふけんこうNeutralRefers to poor health or things harmful to health, as in 「不健康な食生活」; mostly about the body, whereas 「不健全」 typically describes unsound ideas or moral climate.
  • Related不良ふりょうNeutralCovers poor quality or bad conduct, as in 「不良品」 and 「不良少年」; it leans toward quality issues, while 「不健全」 points to something not functioning properly.
  • Antonym健全けんぜんNeutralThe direct antonym: sound and healthy, as in 「健全な財政」; describes a mind, body, or system in the proper working state that 「不健全」 negates.

For poor physical health use 「不健康」. For unsound ideas, moral climate, or finances — 「不健全な図書」, 「不健全な経営」 — use 「不健全」. Defective goods or delinquent kids take 「不良」; the opposite of 「不健全」 is 「健全」.

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

Japanese definitions
  1. 心身しんしんが健康的けんこうてきでないこと。
  2. 物事ものごとが正常せいじょうに機能きのうしていないこと。
  3. 思想しそうや風俗ふうぞくが穏おだやかでなく、偏かたよっていること。
Kanji in this word
English equivalents

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