Added 10 October 2026
add-on
noun
noun Definition from Wiktionary (CC BY-SA). More about add-on at Wordnik → Where our words come from →
- Something which can be appended to something else.
- A software extension or hardware peripheral that provides additional functions or customization for a core application or system.
- Additional chips that can be purchased at specific times in tournament play.
Origin
Deverbal from add on.
From Wiktionary, via Kaikki.org (CC BY-SA)