- (transitive)
to put on a list or make a list of
WordReference Random House Learner's Dictionary of American English © 2026
i•tem•ize /ˈaɪtəˌmaɪz/USA pronunciation
v., -ized, -iz•ing.
i•tem•ized, adj.: an itemized bill.
WordReference Random House Unabridged Dictionary of American English © 2026- to list by items; give the particulars of:[~ + object]to itemize an account.
- Businessto list separately (all allowable deductions) in computing income tax: [no object]You'll need fifteen forms if you want to itemize.[~ + object]We should itemize those expenses as deductions.
i•tem•ized, adj.: an itemized bill.
i•tem•ize
(ī′tə mīz′),USA pronunciation v., -ized, -iz•ing.
v.t.
v.i.
i′tem•i•za′tion, n.
i′tem•iz′er, n.
v.t.
- to state by items;
give the particulars of;
list the individual units or parts of:to itemize an account. - Economicsto list as an item or separate part:to itemize deductions on an income-tax return.
v.i.
- Economicsto compute an income-tax return by listing separately all assets, credits, allowable deductions, losses, etc.
- item + -ize 1855–60, American.
i′tem•iz′er, n.
Collins Concise English Dictionary © HarperCollins Publishers::
'itemized bill' also found in these entries (note: many are not synonyms or translations):