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Synonyms

installment

1 American  
[in-stawl-muhnt] / ɪnˈstɔl mənt /
especially British, instalment

noun

  1. Finance. any of several parts into which a debt or other sum payable is divided for payment at successive fixed times; the scheduled periodic payment made on an installment loan.

    to pay for furniture in monthly installments.

  2. a single portion of something furnished or issued by parts at successive times.

    a magazine serial in six installments.


installment 2 American  
[in-stawl-muhnt] / ɪnˈstɔl mənt /
Or instalment

noun

  1. the act of installing.

  2. the fact of being installed; installation.


Other Word Forms

Etymology

Origin of installment1

First recorded in 1770–75; in- 2 + obsolete (e)stallment, equivalent to estall “to arrange payment on an installment plan” (perhaps from Anglo-French ) + -ment

Origin of installment2

First recorded in 1580–90; install + -ment

Explanation

An installment is a part or section of something, like the monthly installment you pay on your credit card debt or the latest installment of your favorite TV show. "Partial payment" is the oldest meaning of this word, and it's still a common way to use it: "She sold me the bike and I'm paying her in installments." It's also used for anything split into sections or episodes. Your favorite serialized comic comes out in installments every three months, but you only have to wait a day for the next installment of that afternoon soap opera!

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Vocabulary lists containing installment

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The movie is the fourth installment in the “Meet the Parents” franchise starring Robert De Niro and Ben Stiller.

From Los Angeles Times • Apr. 28, 2026

If a person arranges an installment plan, Bandebo noted that’s not reflected as a delinquent payment.

From MarketWatch • Apr. 25, 2026

Sony Pictures Entertainment kicked off CinemaCon on Monday with a sneak peek of "Spider-Man: Brand New Day" and a new installment of "Jumanji".

From Barron's • Apr. 14, 2026

But the student said she had received an email on 26 March saying she wouldn't receive the last installment of her maintenance loan for this year, and may need to repay the rest.

From BBC • Apr. 10, 2026

Then he straddled his driver’s seat backward and, in his reedy but modulated tenor voice, gave us the new installment of “The Laughing Man.”

From "Nine Stories" by J. D. Salinger