割り振る・割振る|わりふるwarifuru[3]nakadaka (mid-high)

1. godan verb, transitive verbto assign; to allot; to divide among; to distribute; to prorate; to assess; to apportion; to allocate
   登場とうじょう人物じんぶつがうまく割り振わりふられていた。↗

   The characters were well cast.

• Synonym割り当てるわりあてるNeutralNearly interchangeable with 「割り振る」, as in 「役割を割り当てる」; more common, while 「割り振る」 has a slight nuance of dealing things out to each party.
• Synonym充てるあてるNeutralSets aside money, things, or staff for a particular use, as in 「費用に充てる」 or 「人員を警備に充てる」; focuses on the purpose, not on distributing among many.
• Synonym配属はいぞくNeutralPosts personnel, troops, or ships to a department or unit, as in 「営業部に配属」; stresses making them part of the organization, while 「割り振る」 can also assign tasks or rooms.
• Synonym分与ぶんよWrittenWritten/formal: distributing property etc. to others, as in 「財産分与」; common in legal contexts, while 「割り振る」 is general assigning.
• Synonym割り付けるわりつけるNeutralMeans to assign, but also to lay out page space in typesetting, as in 「紙面を割り付ける」; more common than 「割り振る」 for layout use.
• SynonymあてがうNeutralAssigns or provides someone with something suitable, as in 「部屋を宛がう」; also means to fit or attach, senses 「割り振る」 lacks.
• Synonym配賦はいふWrittenWritten/formal accounting term: apportioning indirect costs by a set standard for cost accounting; for everyday assigning, use 「割り振る」.
• Related振り分けるふりわけるNeutralSplits something in two or deals it out to various parties, as in 「荷物を振り分ける」; often carries a sorting nuance, while 「割り振る」 centers on assigning tasks.
• Related配るくばるNeutralHands things out or deploys staff, as in 「資料を配る」; stresses getting things to every place, while 「割り振る」 stresses deciding who handles what.
• Related分けるわけるNeutralThe broadest of these, covering dividing, sorting, and sharing in general; for assigning tasks, 「割り振る」 is more precise.
• Related課するかするWrittenWritten/formal: to impose a tax, fine, or duty, as in 「税を課する」, with a nuance of forced burden; 「割り振る」 simply assigns.
• Related充当じゅうとうWrittenWritten/formal: to divert personnel or funds to a certain use, as in 「人員を充当する」; focuses on the purpose, not on distributing among many.
• Related配分はいぶんNeutralAllocates resources by proportion or standard, as in 「予算配分」; common in written use, while 「割り振る」 is more colloquial and usually about tasks.
• Related配当はいとうWrittenWritten/formal: distribution, often of stock dividends — about dividing profits; not used for everyday task assignment.
• Related分担ぶんたんNeutralFor several people each taking on a share of work or costs, as in 「家事の分担」; stresses each person's share, while 「割り振る」 stresses the assigner's side.
• Related分配ぶんぱいNeutralDistributes money, goods, or tasks among parties, as in 「利益の分配」 or 「仕事を分配する」; mostly a noun, and more formal than 「割り振る」.
• Related分け合うわけあうNeutralSharing one thing among each other, as in 「お菓子を分け合う」; stresses mutual sharing, whereas 「割り振る」 is one party dealing things out.
• Related振り当てるふりあてるNeutralAssigns roles or tasks; close in meaning to 「割り振る」 but rarely used — for everyday speech, 「割り振る」 is the choice.
• Related取り分けるとりわけるNeutralSeparates from the whole, often serving food onto individual plates, as in 「料理を取り分ける」; also to pick out; not used for assigning tasks.
• Related分かち合うわかちあうNeutralSharing together, often joy or pain, as in 「喜びを分かち合う」; not used for assigning tasks.
• Antonym集めるあつめるNeutralThe opposite of 「割り振る」 in the sense of dealing out: to gather scattered things together.

Use 「割り振る」 to assign tasks, rooms, or budgets to each person, as in 「仕事を割り振る」; 「割り当てる」 is nearly interchangeable and more common. For dividing in general say 「分ける」, for handing things out 「配る」, and for posting people to a unit 「配属」. 「充てる」 and 「充当」 set things aside for a use, 「配分」 allocates by a standard, and 「分担」 and 「分け合う」 are about sharing; 「課する」, 「配当」, and 「分与」 are formal written terms.

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

1. 割り当わりあてる。割り付わりつける。