—v.t. 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.
—v.i. to compute an income-tax return by listing separately all assets, credits, allowable deductions, losses, etc. Also,esp. Brit.,i'tem•ise".