分散|ぶんさんbunsan[0]heiban (flat)
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- noun, suru verb, transitive verb, intransitive verbdispersion; breakup; scattering; decentralization; decentralisation; distribution
- noun, suru verb, transitive verb, intransitive verb, statisticsvariance
- noun, suru verb, transitive verb, intransitive verb, chemistry, physicsdispersion
Conjugation
| Dictionary form | 分散する(ぶんさんする) |
|---|---|
| Polite (masu) | 分散します(ぶんさんします) |
| Negative (nai) | 分散しない(ぶんさんしない) |
| polite (masen) | 分散しません(ぶんさんしません) |
| classical zu / nu | 分散せず・分散せぬ(ぶんさんせず・ぶんさんせぬ) |
| Past (ta) | 分散した(ぶんさんした) |
| polite (mashita) | 分散しました(ぶんさんしました) |
| Past negative (nakatta) | 分散しなかった(ぶんさんしなかった) |
| polite (masen deshita) | 分散しませんでした(ぶんさんしませんでした) |
| Te form | 分散して(ぶんさんして) |
| Potential | 分散できる(ぶんさんできる) |
| Passive | 分散される(ぶんさんされる) |
| Causative | 分散させる(ぶんさんさせる) |
| Causative passive | 分散させられる(ぶんさんさせられる) |
| Conditional (ba) | 分散すれば(ぶんさんすれば) |
| tara | 分散したら(ぶんさんしたら) |
| Volitional | 分散しよう(ぶんさんしよう) |
| polite (mashou) | 分散しましょう(ぶんさんしましょう) |
| Imperative | 分散しろ(ぶんさんしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym散乱さんらんWrittenWritten/formal prose. Things lying scattered in disorder, as in 「書類が散乱する」; the nuance is messiness, while 「分散」 is about deliberate or natural separation.
- Synonym散るちるNeutralNeutral register. Blossoms falling or crowds breaking up, as in 「桜が散る」; it leans toward drifting away and vanishing, while 「分散」 is about separating to various places.
- Synonym散らばるちらばるNeutralNeutral register. Intransitive: people or things lying scattered about, as in 「おもちゃが散らばる」「各地に散らばる」. 「分散」 can also be transitive, actively dividing things.
- Synonym散じるさんじるWrittenWritten/formal prose. To scatter or disperse, or to squander money; 「気を散じる」 means to chase away worries. Rare today; say 「散る」 or 「分散する」 in everyday speech.
- Synonym散ずるさんずるWrittenWritten/formal prose. An alternative form of 「散じる」 with the same meanings; rare in modern usage. In everyday speech say 「散る」 or 「分散する」.
- Synonym四散しさんWrittenWritten/formal prose. Scattering in all directions, of people or things alike, as in 「群衆が四散する」「破片が四散する」.
- Synonym散開さんかいWrittenWritten/formal prose. People or things spreading out; also troops deploying into a dispersed formation. 「分散」 has broader uses.
- Antonym集中しゅうちゅうNeutralNeutral register. Gathering or focusing in one place, the opposite of 「分散」, as in 「人口の集中」「注意を集中する」.
- Antonym集結しゅうけつWrittenWritten/formal prose. Massing or gathering, especially troops, the opposite of 「分散」, as in 「部隊が集結する」.
Use 「分散」 for separating out to various places or spreading risk, as in 「分散投資」「人口の分散」. For things lying in disorder say 「散乱」, for things scattered about 「散らばる」, for falling blossoms 「散る」. The opposites are 「集中」 and 「集結」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


