<p><strong>Verb</strong></p><ul><li>(used with object) to state by items; give the particulars of; list the individual units or parts of: to itemize an account.</li><li>to list as an item or separate part: to itemize deductions on an income-tax return.</li><li>(used without object) to compute an income-tax return by listing separately all assets, credits, allowable deductions, losses, etc.</li></ul>