itemize

American  

[ahy-tuh-mahyz] / ˈaɪ təˌmaɪz /

especially British, itemise

verb (used with object)

itemized, itemizing

1. to state by items; give the particulars of; list the individual units or parts of.

   to itemize an account.

2. to list as an item or separate part.

   to itemize deductions on an income-tax return.

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verb (used without object)

itemized, itemizing

1. to compute an income-tax return by listing separately all assets, credits, allowable deductions, losses, etc.

itemize British  

/ ˈaɪtəˌmaɪz /

verb

1. (tr) to put on a list or make a list of

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Other Word Forms

• itemization noun
• itemizer noun
• misitemized adjective
• nonitemized adjective
• nonitemizer noun
• reitemize verb (used with object)
• unitemized adjective
• well-itemized adjective

Etymology

Origin of itemize

An Americanism dating back to 1855–60; item + -ize

Example Sentences

Nelson and Christy Matzen knew they were going to itemize in 2025.

From The Wall Street Journal • Apr. 6, 2026

A DAF can make sense for people who aren’t ultrawealthy if they plan to give to charity and itemize deductions.

From The Wall Street Journal • Apr. 6, 2026

Taxpayers who choose to itemize could be affected by two policy changes depending on their level of wealth.

From Barron's • Mar. 17, 2026

The write-off is quadrupling to at least $40,000 through 2029, but you can only claim it if you itemize.

From MarketWatch • Dec. 19, 2025

When Deborah officially divorced Pullum in 2006, she had to itemize her income as part of a request for the judge to waive her filing fee.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

Related Words

• enumerate