apportion

verb

ap·​por·​tion ə-ˈpȯr-shən 

apportioned; apportioning ə-ˈpȯr-sh(ə-)niŋ 

transitive verb

: to divide and share out according to a plan

especially : to make a proportionate division or distribution of

Representatives are apportioned among the states.

apportionable

ə-ˈpȯr-shə-nə-bəl 

adjective

Synonyms of apportion

• allot
• assign
• allocate
• distribute

Examples of apportion in a Sentence

The proceeds from the auction will be apportioned among the descendants.

Apportion the expenses between the parties involved.

The agency apportions water from the lake to residents.

Recent Examples on the Web

Chen apportioned Quinn Emanuel associate Elle Wang, the partners’ subordinate, a share of up to $29,000. —Ethan Baron, Mercury News, 27 May 2026

The City Council ultimately agreed to apportion the money. —Barry M. Bloom, Forbes.com, 27 May 2026

The tickets will be apportioned via a ballot and will only be available to New York City residents, following on from Mamdani’s campaign demand during his mayoral run for locals to be given greater access by FIFA to this summer’s tournament. —Adam Crafton, New York Times, 21 May 2026

Add to that five pending lawsuits, three directly challenging the state’s decision to re-apportion Florida. —Orlando Sentinel Editorial Board, The Orlando Sentinel, 14 May 2026

Word History

Etymology

borrowed from Anglo-French aporcioner, apporcioner "to divide up, assess (a tax)," (also continental Middle French apporcionner), borrowed from Medieval Latin apportiōnāre, from Latin ap- ap- entry 1 + Medieval Latin portiōnāre "to divide into portions" — more at portion entry 2

First Known Use

15th century, in the meaning defined above

Phrases Containing apportion

• apportion blame

Rhymes for apportion

• abortion
• contortion
• distortion
• extortion
• proportion
• disproportion
• portion
• torsion

Kids Definition

apportion

verb

ap·​por·​tion ə-ˈpōr-shən 

-ˈpȯr-

apportioned; apportioning -sh(ə-)niŋ 

: to divide and distribute in proportion

apportionment

-shən-mənt

noun

Legal Definition

apportion

transitive verb

ap·​por·​tion ə-ˈpȯr-shən 

: to make a usually proportionate division or distribution of (an amount due) according to a plan: as

a

: to divide (an amount due in tax or other liability) among the parties responsible for respective shares of the payment compare contribution

b

: to assign (a portion of the consideration agreed to in a contract) as payment for the other party's partial performance

c

: to distribute (corporate dividends) based on some proportion

d

: to assign (legislative representatives and taxes) among the states as provided by law

apportionable adjective

apportionment noun