(computing, informal, derogatory) The licence fee for the Microsoft Windows operating system software that is pre-installed on many home computer systems.

(US, derogatory) The amount or rate of taxes.

Alternative form of pretax

(idiomatic, politics) A government-imposed tax on a specific good, service, or activity which is legal but widely considered to be unwholesome or socially harmful, such as a tax on alcoholic beverages, tobacco products, or gambling.

A government-established place (building, office, shop, or counter) offering advice on tax affairs.

A government organization responsible for collecting taxes.

plural of tax office

(informal) Someone who commits tax avoidance or tax evasion.

(UK, Ireland) A proposed method of financing higher education, whereby graduates would pay their tuition costs as additional income tax.

(UK, derogatory) An addition to income tax payable only by those in Scotland as a result of the Scottish variable rate.