What does itemizing mean?
To itemize something is to present it as a series of separate items rather than as an undivided total or general description. The word is especially common in financial and administrative contexts, such as itemized bills, prices, budgets, and lists of expenses. For example, an itemized invoice shows the cost of each product or service separately, allowing the recipient to understand the overall charge and how it is divided. “Itemize” is a formal alternative to “list” or “break down” in these settings. Although the term is particularly associated with business usage in American English, it is also standard in British English. The form “itemizing” is the present participle, as in “itemizing the costs,” and is used when describing an ongoing or process-based action.
verbTo list or describe the individual items in a collection, invoice, plan, or other set. It means to break a total or general category into separate components.
- To list or describe individual items separately, especially as parts of a larger collection, total, or plan.
"The report itemizes the costs of each project phase so that clients can see exactly where the funding goes."
"The invoice itemizes the purchase by separating the cost of the equipment from installation and maintenance."
"Before approving the proposal, the committee asked the manager to itemize the proposed expenditures."
An itemized bill turns a single total into a map of every separate charge.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of itemizing
The word “itemize” was formed in the 19th century from “item,” a word borrowed from Latin, and the suffix “-ize,” which forms verbs indicating action or process. Latin “item” originally referred to an item or component and is related to a larger family of English words connected with items, listing, and enumeration. Over time, “itemize” developed its specific meaning of breaking a total or collection into separately listed components.
Related word forms
How itemizing is actually used
Common in business, financial, and administrative contexts. It is more formal than simply listing things and is especially frequent in American English, though also used in British English.