拘置|こうちkouchi[1]atamadaka (head-high)
This browser can't play pronunciations (needs Safari 18.4 or later, or Chrome / Edge / Firefox).
- noun, suru verb, transitive verbdetention; confinement; arrest
Conjugation
| Dictionary form | 拘置する(こうちする) |
|---|---|
| Polite (masu) | 拘置します(こうちします) |
| Negative (nai) | 拘置しない(こうちしない) |
| polite (masen) | 拘置しません(こうちしません) |
| classical zu / nu | 拘置せず・拘置せぬ(こうちせず・こうちせぬ) |
| Past (ta) | 拘置した(こうちした) |
| polite (mashita) | 拘置しました(こうちしました) |
| Past negative (nakatta) | 拘置しなかった(こうちしなかった) |
| polite (masen deshita) | 拘置しませんでした(こうちしませんでした) |
| Te form | 拘置して(こうちして) |
| Potential | 拘置できる(こうちできる) |
| Passive | 拘置される(こうちされる) |
| Causative | 拘置させる(こうちさせる) |
| Causative passive | 拘置させられる(こうちさせられる) |
| Conditional (ba) | 拘置すれば(こうちすれば) |
| tara | 拘置したら(こうちしたら) |
| Volitional | 拘置しよう(こうちしよう) |
| polite (mashou) | 拘置しましょう(こうちしましょう) |
| Imperative | 拘置しろ(こうちしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym留置りゅうちNeutralA neutral word for keeping or holding onto people or things, even mail held at the post office. 「拘置」 covers only judicial detention of people.
- Synonym拘留こうりゅうWrittenIn formal prose it can broadly mean holding someone after capture, and also a short penalty of one day to under thirty days. 「拘置」 is a detention measure, not a penalty.
- Synonym収監しゅうかんWrittenFormal prose: putting someone whose sentence is final into prison, stressing entry to serve the term. 「拘置」 also covers holding suspects and defendants before trial.
- Synonym投獄とうごくWrittenFormal and heavier in tone: the act of putting someone in prison. 「拘置」 is the detention measure used in judicial documents.
- Synonym拘禁こうきんWrittenFormal prose and broader in sense: a general word for holding people in legal custody. 「拘置」 is narrower, for suspects, defendants, and the convicted.
- Synonym幽閉ゆうへいWrittenFormal prose: shutting someone in an enclosed space so they cannot leave; often historical or literary. 「拘置」 is a judicial term.
- Synonym抑留よくりゅうWrittenFormal prose, usually for a state holding foreigners or ships, or short-term restraint. 「拘置」 applies to parties in criminal cases.
- Synonym監禁かんきんNeutralNeutral and broader: locking someone up and depriving them of freedom in any context, as in 「監禁事件」. 「拘置」 is limited to judicial detention.
- Synonym勾留こうりゅうWrittenA formal criminal-procedure term: detaining a suspect or defendant to prevent flight or tampering with evidence. 「拘置」 also covers the convicted.
- Synonym身柄拘束みがらこうそくWrittenFormal prose, common in news: police arresting a suspect and taking control of their person. 「拘置」 is detention within the justice process.
- Related禁錮きんこWrittenIn formal prose, this names a specific penalty: confinement without forced labour. 「拘置」 is not a penalty but the holding of suspects, defendants, or the convicted.
- Related禁獄きんごくWrittenAn old-fashioned, bookish word for jailing criminals, rarely used today. Modern justice says 「拘置」 and 「収監」.
- Related幽囚ゆうしゅうWrittenRare even in writing: being thrown into prison, or the person so confined. 「拘置」 is a modern judicial term.
- Antonym解放かいほうNeutralA neutral antonym with a wide range: removing restraints and setting free. It stands opposite to the detention that 「拘置」 describes.
- Antonym放免ほうめんWrittenA formal antonym: releasing someone from custody, e.g. an innocent suspect or an inmate who has served their term. Opposite of 「拘置」.
Use 「拘置」 for judicially holding suspects, defendants, or the convicted. For a general term for legal detention pick 「拘禁」; for pre-trial detention 「勾留」; for prison after a final sentence 「収監」. To release someone, use 「放免」 or neutral 「解放」. 「監禁」 covers confinement in any context; 「禁錮」 names a penalty; 「禁獄」 and 「幽囚」 are dated.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


