投獄|とうごくtougoku[0]heiban (flat)
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- noun, suru verb, transitive verbimprisonment; incarceration
Conjugation
| Dictionary form | 投獄する(とうごくする) |
|---|---|
| Polite (masu) | 投獄します(とうごくします) |
| Negative (nai) | 投獄しない(とうごくしない) |
| polite (masen) | 投獄しません(とうごくしません) |
| classical zu / nu | 投獄せず・投獄せぬ(とうごくせず・とうごくせぬ) |
| Past (ta) | 投獄した(とうごくした) |
| polite (mashita) | 投獄しました(とうごくしました) |
| Past negative (nakatta) | 投獄しなかった(とうごくしなかった) |
| polite (masen deshita) | 投獄しませんでした(とうごくしませんでした) |
| Te form | 投獄して(とうごくして) |
| Potential | 投獄できる(とうごくできる) |
| Passive | 投獄される(とうごくされる) |
| Causative | 投獄させる(とうごくさせる) |
| Causative passive | 投獄させられる(とうごくさせられる) |
| Conditional (ba) | 投獄すれば(とうごくすれば) |
| tara | 投獄したら(とうごくしたら) |
| Volitional | 投獄しよう(とうごくしよう) |
| polite (mashou) | 投獄しましょう(とうごくしましょう) |
| Imperative | 投獄しろ(とうごくしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym禁錮きんこWrittenA formal legal term for imprisonment without forced labour; it names the sentence handed down, while 「投獄」 is the act of putting someone in prison.
- Synonym収監しゅうかんWrittenLegal and news term for taking someone already sentenced into prison; centres on the procedural step rather than the act itself.
- Synonym拘置こうちWrittenLegal term for holding suspects or condemned prisoners in a detention house; they are not necessarily serving a sentence.
- Synonym監禁かんきんNeutralRestricting a person's freedom by confining them somewhere; often seen in kidnapping cases, and not limited to unlawful confinement.
- Synonym拘禁こうきんWrittenUmbrella legal term for keeping someone in custody; broad in scope, covering detention houses as well as prisons.
- Related留置りゅうちWrittenPolice detention of suspects, or holding of seized property; not about serving time in prison.
- Related留め置きとめおきNeutralHolding or retaining something, including mail kept at a post office; much broader in range than 「投獄」.
- Related拘留こうりゅうWrittenDetention or custody; also the name of a short-term penalty. 「投獄」 refers to being put in prison.
- Related閉じ込めるとじこめるNeutralGeneral verb: to shut someone or something in so it cannot get out; not limited to prisons, and can also describe being trapped.
- Related幽閉ゆうへいWrittenShutting someone in an enclosed space and not letting them out; found mostly in historical writing and fiction.
- Related押し込めるおしこめるNeutralColloquial verb: to force someone into a place and keep them shut in; not limited to prisons.
- Related禁獄きんごくWrittenOld-fashioned and rarely used word for putting someone in prison; synonymous with 「投獄」.
- Related勾留こうりゅうWrittenCriminal-procedure term for holding a suspect or defendant in custody; this is not the same as entering prison to serve a sentence.
- Related幽囚ゆうしゅうWrittenArchaic and rare: the state of being held captive, or the captive himself; everyday speech uses 「投獄」.
- Antonym釈放しゃくほうNeutralAntonym: releasing a detained person and setting them free — the opposite of the imprisonment that 「投獄」 describes.
Use 「投獄」 for putting someone in prison, often in historical or political contexts. For the legal, procedural commitment of a convicted person, 「収監」; for confining someone and restricting their freedom, 「監禁」; the opposite is 「釈放」. The rest are mostly legal detention terms or rare, archaic words.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


