弛緩|しかんshikan[0]heiban (flat)
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- noun, suru verb, intransitive verbrelaxation (e.g. of muscles); becoming flaccid
Conjugation
| Dictionary form | 弛緩する(しかんする) |
|---|---|
| Polite (masu) | 弛緩します(しかんします) |
| Negative (nai) | 弛緩しない(しかんしない) |
| polite (masen) | 弛緩しません(しかんしません) |
| classical zu / nu | 弛緩せず・弛緩せぬ(しかんせず・しかんせぬ) |
| Past (ta) | 弛緩した(しかんした) |
| polite (mashita) | 弛緩しました(しかんしました) |
| Past negative (nakatta) | 弛緩しなかった(しかんしなかった) |
| polite (masen deshita) | 弛緩しませんでした(しかんしませんでした) |
| Te form | 弛緩して(しかんして) |
| Potential | 弛緩できる(しかんできる) |
| Passive | 弛緩される(しかんされる) |
| Causative | 弛緩させる(しかんさせる) |
| Causative passive | 弛緩させられる(しかんさせられる) |
| Conditional (ba) | 弛緩すれば(しかんすれば) |
| tara | 弛緩したら(しかんしたら) |
| Volitional | 弛緩しよう(しかんしよう) |
| polite (mashou) | 弛緩しましょう(しかんしましょう) |
| Imperative | 弛緩しろ(しかんしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym緩むゆるむNeutralEveryday verb for things loosening or slackening — ropes, screws, nerves. The broadest of the synonyms; 「弛緩」 is the written or medical term.
- SynonymたるむNeutralSame verb as above, also written 「弛む」: ropes, discipline or spirit going slack. Again the everyday choice; 「弛緩」 is written or medical.
- SynonymだれるCasualColloquial for scattered attention and a dragging, listless mood or pace. Concerned with spirit and rhythm rather than physical slackness.
- Synonym緩まるゆるまるWrittenDescribes something going from taut to slack. 「緩む」 is the more common choice; this word leans toward written prose.
- Antonym緊張きんちょうNeutralMuscles or the mind pulled taut — the direct opposite of 「弛緩」 as slackness of muscle or mind.
- Antonym緊迫きんぱくWrittenWritten term for a tense, critical situation; said mainly of circumstances. Opposite of a relaxed, slack atmosphere.
Everyday loosening calls for 「緩む」; 「弛緩」 is the written or medical term for slack muscles or lax discipline. 「だれる」 is colloquial for flagging spirits, 「緩まる」 a written variant, 「緊張」 the everyday opposite, 「緊迫」 the written opposite for tense situations.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
- 緩むこと。


