介在|かいざいkaizai[0]heiban (flat)
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- noun, suru verb, intransitive verbexisting (between); interposition; intervention; involvement
Conjugation
| Dictionary form | 介在する(かいざいする) |
|---|---|
| Polite (masu) | 介在します(かいざいします) |
| Negative (nai) | 介在しない(かいざいしない) |
| polite (masen) | 介在しません(かいざいしません) |
| classical zu / nu | 介在せず・介在せぬ(かいざいせず・かいざいせぬ) |
| Past (ta) | 介在した(かいざいした) |
| polite (mashita) | 介在しました(かいざいしました) |
| Past negative (nakatta) | 介在しなかった(かいざいしなかった) |
| polite (masen deshita) | 介在しませんでした(かいざいしませんでした) |
| Te form | 介在して(かいざいして) |
| Potential | 介在できる(かいざいできる) |
| Passive | 介在される(かいざいされる) |
| Causative | 介在させる(かいざいさせる) |
| Causative passive | 介在させられる(かいざいさせられる) |
| Conditional (ba) | 介在すれば(かいざいすれば) |
| tara | 介在したら(かいざいしたら) |
| Volitional | 介在しよう(かいざいしよう) |
| polite (mashou) | 介在しましょう(かいざいしましょう) |
| Imperative | 介在しろ(かいざいしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Related斡旋あっせんNeutralActively brokering to bring something about, e.g. 「就職を斡旋する」 for job referrals; unlike 「介在」, it stresses actively making connections rather than just being in between.
- Related調停ちょうていNeutralA third party mediating a dispute, as in 「家庭裁判所の調停」; often a formal legal procedure, while 「介在」 simply describes being interposed.
- Related仲裁ちゅうさいNeutralStepping into a quarrel to calm it or judge between the sides, as in 「喧嘩の仲裁」; the focus is settling the dispute, not merely existing in between like 「介在」.
- Related媒介ばいかいNeutralServing as a medium that carries or transmits something, including spreading germs; it stresses the transmitting role, unlike 「介在」's mere in-between existence.
- Related仲立ちなかだちNeutralActing as a go-between or intermediary; it highlights the middleman role, whereas 「介在」 mostly describes a thing being wedged between others.
- Related取りなしとりなしNeutralPleading on someone's behalf to smooth things over, as in 「取りなしを頼む」; 「介在」 only means lying or stepping in between and carries no sense of interceding.
Use 「介在」 for something lying wedged between two things or being involved in the middle, as in 「利権が介在する」. To talk about mediating a dispute, use 「調停」 or 「仲裁」; for go-between introductions, 「斡旋」 or 「仲立ち」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


