Add On — synonyms, definition

1. add on (Noun)

accessory addition appurtenance bolt-on improver

add on (Noun) — A component that is added to something to improve it. ex. "the add-on of a bathroom was a major improvement"

add on (Noun) — A supplementary component that improves capability.

component constituent element accoutrements additive afterthought annex annexe attachment auto accessory computer accessory elongation extension fitting fixings paraphernalia trappings trimmings wing

2. add on (Verb)

affix append supplement

add on (Verb) — Make an addition. ex. "Let's add on to this"

add on (Verb) — Add to the very end. ex. "He added on a glossary to his novel where he used an invented language"

add attach annex