add on

== English == === Verb === add on (third-person singular simple present adds on, present participle adding on, simple past and past participle added on) (transitive) To incorporate (something extra, often an amount of money) into something else (often a bill). (intransitive) To put an expansion (addition) onto a building, usually a home. ==== See also ==== extend pile on tack === Noun === add on (plural add ons) Alternative form of add-on. === Anagrams === Dando, Donda