分担|ぶんたんbuntan[0]heiban (flat)

1. suru verb, transitive verb, no-adjectivetaking on one's share (e.g. of work); dividing (work, expenses, etc.) between; apportionment; allotment; allocation; assignment
   私達わたしたちは、家事かじを分担ぶんたんすることで合意ごういした。↗

   We agreed to share the housework.

• Synonym分配ぶんぱいWrittenWritten/formal prose for distributing resources or benefits, e.g. 「富の分配」; 「分担」 is about sharing burdens.
• Related分けるわけるNeutralThe most general word for dividing or sharing anything; 「分担」 is specifically about each person taking on a share of work or expenses.
• Related振り分けるふりわけるNeutralApportions things into portions by some standard; 「分担」 stresses each person bearing their own part.
• Related配分はいぶんWrittenWritten/formal prose for allocating resources or benefits, equally or proportionally; 「分担」 is about sharing responsibilities and costs.
• Related配当はいとうFormalFormal: mainly stock dividends, though it can also mean allotment; 「分担」 covers shared burdens and is never used for dividends.
• Related割り当てるわりあてるNeutralAssigns tasks or quotas to people, as in 「役割を割り当てる」; 「分担」 stresses each person taking on their share.
• Related分け合うわけあうNeutralMutual sharing or splitting, e.g. 「食べ物を分け合う」; 「分担」 is used mainly for work and expenses.
• Related配るくばるNeutralHanding things out to people, e.g. 「資料を配る」; 「分担」 is about sharing a burden, not distributing items.
• Related割り振るわりふるNeutralAssigns work, rooms and the like, e.g. 「仕事を割り振る」; 「分担」 stresses each person carrying their own part.
• Related分与ぶんよFormalFormal, written word for handing out property, e.g. 「財産分与」; 「分担」 is about sharing a burden.
• Related分かち合うわかちあうWrittenWritten/formal prose: sharing joy or bearing sorrow together, with emotional warmth; 「分担」 leans toward work and expenses.
• Related取り分けるとりわけるNeutralServing food onto individual plates, or picking something out from a group; 「分担」 means sharing a burden.
• Related分かち与えるわかちあたえるWrittenWritten/formal prose: dividing something up and giving it to many, e.g. sharing out wealth; 「分担」 is about bearing a burden.
• Related分け取りわけどりNeutralA rare noun for splitting money or property equally among a few people; 「分担」 is about sharing a burden.
• Related分け取るわけとるNeutralRare: dividing a whole among several people, with the focus on what each receives; 「分担」 is each person bearing part of a burden.
• Related分け与えるわけあたえるNeutralGiving things out to others, e.g. 「パンを分け与える」; 「分担」 means sharing a burden.
• Related分け持つわけもつNeutralClose to 「分担」 — several people each holding or bearing a part — but uncommon; in everyday speech 「分担する」 is the usual choice.
• Antonym集中しゅうちゅうNeutralAntonym on the divide-versus-concentrate axis: gathering or focusing in one place.
• Antonym一手いってNeutralAntonym on the share-versus-do-it-alone axis: taking everything on single-handed, as in 「一手に引き受ける」.

Use 「分担」 for each person taking on a share of work or costs, as in 「家事分担」. For dividing or distributing in general, 「分ける」 is the most versatile; 「分配」 and 「配分」 suit resources and benefits; 「割り当てる」 and 「割り振る」 are for assigning tasks; 「分かち合う」 adds emotional color when sharing joy or sorrow; 「配当」 is for dividends. The opposites are 「一手」 (doing it all alone) and 「集中」 (concentrating in one place).

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

1. 分わけて受け持うけもつこと。