適応|てきおうtekiou[0]heiban (flat)

JLPT N1approx.Common
Definitions
  1. noun, suru verb, intransitive verbadaptation; accommodation; conformity
    この規則きそくはすべてのケースに適応てきおうする。↗
    This rule applies to all cases.
Conjugation
Dictionary form適応する(てきおうする)
Polite (masu)適応します(てきおうします)
Negative (nai)適応しない(てきおうしない)
polite (masen)適応しません(てきおうしません)
classical zu / nu適応せず・適応せぬ(てきおうせず・てきおうせぬ)
Past (ta)適応した(てきおうした)
polite (mashita)適応しました(てきおうしました)
Past negative (nakatta)適応しなかった(てきおうしなかった)
polite (masen deshita)適応しませんでした(てきおうしませんでした)
Te form適応して(てきおうして)
Potential適応できる(てきおうできる)
Passive適応される(てきおうされる)
Causative適応させる(てきおうさせる)
Causative passive適応させられる(てきおうさせられる)
Conditional (ba)適応すれば(てきおうすれば)
tara適応したら(てきおうしたら)
Volitional適応しよう(てきおうしよう)
polite (mashou)適応しましょう(てきおうしましょう)
Imperative適応しろ(てきおうしろ)

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

Synonyms & antonyms
  • Synonym順応じゅんのうNeutralAdapting to changes in the environment, as in 「環境に順応」. Very close to 適応, which also covers fitting conditions, not just the environment.
  • Synonym適合てきごうNeutralMeeting conditions or specifications, as in 「基準に適合」. 適応 is mostly about adapting to an environment, though it can also mean fitting conditions.
  • Related即応そくおうWrittenA written/formal word for responding promptly and flexibly, as in 「即応体制」. 適応 is about adapting to an environment or conditions, fast or slow.
  • Related調整ちょうせいNeutralAdjusting or coordinating things, as in 「日程調整」. 適応 centers on adapting to an environment.
  • Related整合せいごうNeutralConsistency or coordination, as in 「整合性」. 適応 centers on adapting to an environment.
  • Related同調どうちょうNeutralFalling in step with others or echoing them. 適応 centers on adapting to an environment.
  • Related即するそくするWrittenA written/formal word for being grounded in the actual situation, as in 「実情に即する」. 適応 centers on adapting to an environment.
  • Related調節ちょうせつNeutralRegulating things like temperature or volume, as in 「温度調節」. 適応 centers on adapting to an environment.
  • Related即すそくすWrittenA written/formal variant of 「即する」 meaning to conform to; in everyday speech 「即する」 is the usual form.
  • Antonym不適応WrittenA written/formal antonym of 適応: failing to adapt.

Use 「適応」 for fitting in with an environment or conditions, or for people and organisms adapting, as in 「適応力」. Pick 「順応」 for adjusting to change, 「適合」 for meeting standards, 「即応」 for rapid response, 「調整」 for adjusting schedules, and 「不適応」 for failing to adapt.

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

Japanese definitions
  1. ある環境かんきょうや条件じょうけんに合あうこと。
  2. 生物せいぶつが環境かんきょうに適合てきごうしていること。また環境かんきょうに適合てきごうするよう形質けいしつを変化へんかさせること。
  3. 治療ちりょう法ほうや検査けんさ方法ほうほうなどが特定とくていの条件じょうけんを持もった患者かんじゃに対たいして妥当性だとうせいを有ゆうすること。
  4. (精神せいしん医学いがく)社会的しゃかいてき環境かんきょうに順応じゅんのうし十分じゅうぶんに安定あんていした関係かんけいを維持いじできること。
Kanji in this word
English equivalents
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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