分娩・分べん|ぶんべんbunben[0]heiban (flat)

Common
Which spelling to use
分娩分娩 is the most common written form of this word and the recommended choice for beginners; it is written entirely in kanji.
分べん分べん is a less common written form, combining kanji and kana; treat it as an alternative spelling rather than your first choice.
Definitions
  1. noun, suru verb, transitive verbchildbirth; delivery
    私の娘むすめは分娩ぶんべん中ちゅうだ。↗
    My daughter is in labor.
Conjugation
Dictionary form分娩する(ぶんべんする)
Polite (masu)分娩します(ぶんべんします)
Negative (nai)分娩しない(ぶんべんしない)
polite (masen)分娩しません(ぶんべんしません)
classical zu / nu分娩せず・分娩せぬ(ぶんべんせず・ぶんべんせぬ)
Past (ta)分娩した(ぶんべんした)
polite (mashita)分娩しました(ぶんべんしました)
Past negative (nakatta)分娩しなかった(ぶんべんしなかった)
polite (masen deshita)分娩しませんでした(ぶんべんしませんでした)
Te form分娩して(ぶんべんして)
Potential分娩できる(ぶんべんできる)
Passive分娩される(ぶんべんされる)
Causative分娩させる(ぶんべんさせる)
Causative passive分娩させられる(ぶんべんさせられる)
Conditional (ba)分娩すれば(ぶんべんすれば)
tara分娩したら(ぶんべんしたら)
Volitional分娩しよう(ぶんべんしよう)
polite (mashou)分娩しましょう(ぶんべんしましょう)
Imperative分娩しろ(ぶんべんしろ)

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

Synonyms & antonyms
  • Synonymお産おさんNeutralColloquial and affectionate everyday word for having a baby, as in 「お産が軽い」; 「分娩」 is the clinical, medical term.
  • Synonym出産しゅっさんNeutralThe most general word for having a baby, covering social aspects too, as in 「出産祝い」; broader in scope than 「分娩」.
  • Synonym生むうむNeutralThe most general verb: to give birth or lay eggs, and figuratively to produce or give rise to things.
  • Synonym生みうみWrittenWritten style; mostly seen in set phrases like 「生みの親」 and 「生みの苦しみ」.
  • Synonym産さんWrittenWritten style; mainly marks a place of production or origin, and appears in 「お産」; rarely used on its own.
  • Related産み落とすうみおとすNeutralColloquial verb for bringing a baby into the world, mostly for animals or with an emotional coloring.
  • Related産するさんするWrittenWritten/formal; mainly for producing or yielding, as in 「〜に産する鉱石」, though it can also mean bearing a child; rare today.

Everyday speech uses 「出産」 or 「お産」, and the verb 「産む」; 「分娩」 is the medical term for the delivery process, as in 「分娩室」 and 「無痛分娩」. 「産み落とす」 suits animals or emotional tones, while 「産」, 「産する」 and 「生み」 are written or set-phrase uses.

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

Japanese definitions
  1. 哺乳類ほにゅうるいなどの胎生たいせいの動物どうぶつで、胎児たいじが雌めすの胎内たいない(子宮しきゅう内ない)から出でること。及および出でる経過けいか。出産しゅっさんとも言ゆうが、こちらは社会的しゃかいてき・文化的ぶんかてき側面そくめんも含ふくみ、分娩ぶんべんよりも広ひろい概念がいねん。
Kanji in this word
English equivalents
See also

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