幽閉|ゆうへいyuuhei[0]heiban (flat)

Common
Definitions
  1. noun, suru verb, transitive verbconfinement; imprisonment; incarceration
Conjugation
Dictionary form幽閉する(ゆうへいする)
Polite (masu)幽閉します(ゆうへいします)
Negative (nai)幽閉しない(ゆうへいしない)
polite (masen)幽閉しません(ゆうへいしません)
classical zu / nu幽閉せず・幽閉せぬ(ゆうへいせず・ゆうへいせぬ)
Past (ta)幽閉した(ゆうへいした)
polite (mashita)幽閉しました(ゆうへいしました)
Past negative (nakatta)幽閉しなかった(ゆうへいしなかった)
polite (masen deshita)幽閉しませんでした(ゆうへいしませんでした)
Te form幽閉して(ゆうへいして)
Potential幽閉できる(ゆうへいできる)
Passive幽閉される(ゆうへいされる)
Causative幽閉させる(ゆうへいさせる)
Causative passive幽閉させられる(ゆうへいさせられる)
Conditional (ba)幽閉すれば(ゆうへいすれば)
tara幽閉したら(ゆうへいしたら)
Volitional幽閉しよう(ゆうへいしよう)
polite (mashou)幽閉しましょう(ゆうへいしましょう)
Imperative幽閉しろ(ゆうへいしろ)

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

Synonyms & antonyms
  • Synonym監禁かんきんNeutralDepriving someone of freedom by holding them somewhere; the usual word in crime reporting (「監禁事件」); 「幽閉」 suggests long-term confinement, often house arrest.
  • Synonym拘禁こうきんWrittenLegal term in written prose for holding someone in custody after arrest, e.g. suspects or inmates.
  • Synonym収監しゅうかんFormalFormal legal term for placing a convicted person in prison.
  • Synonym禁足きんそくNeutralKeeping someone from going out, typically as a punishment or form of training; milder than 「幽閉」.
  • Synonym拘置こうちFormalFormal legal term for detaining suspects, defendants or convicted persons, often pending trial or execution of a sentence.
  • Synonym閉じ込めるとじこめるNeutralEveryday verb: to shut someone or something in so it cannot get out; also used for being trapped.
  • Synonym抑留よくりゅうNeutralDetaining foreign nationals or ships, e.g. 「シベリア抑留」.
  • Synonym禁獄きんごくWrittenWritten word for jailing criminals and depriving them of freedom; rare today — 「投獄」 is the usual choice.
  • Related投獄とうごくNeutralPutting someone in prison; stresses the act of sending them to a cell. Often in historical contexts.
  • Related禁錮きんこFormalFormal legal term for a Japanese penalty: imprisonment without forced labour.
  • Related押し込めるおしこめるNeutralColloquial verb: to cram a person or thing into a place and keep them shut in.
  • Antonym解放かいほうNeutralAntonym: releasing or freeing someone from restraint — the opposite of being confined.
  • Antonym放免ほうめんFormalFormal antonym: releasing someone found innocent or who has served their sentence; broadly, setting them free.

Everyday speech uses 「閉じ込める」; crime reports use 「監禁」; judicial custody is 「拘禁」 or 「拘置」. 「幽閉」 means confining someone in a closed place and keeping them from going out, and appears mostly in historical writing and fiction.

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

Japanese definitions
  1. 対象たいしょうとなる人間にんげんを閉とざされた空間くうかんに入いれて外そとに出でないようにすること。
  2. 外科げか的てき手段しゅだんにより女性じょせい生殖器せいしょくきを閉とじてしまう中国ちゅうごくの刑罰けいばつの名称めいしょう。男性だんせいの去勢きょせいに相当そうとうする。
Kanji in this word
English equivalents

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