noun
- A component that is added to something to improve it.
- usage: "the addition of a bathroom was a major improvement"; "the addition of cinnamon improved the flavor"
- A supplementary component that improves capability.
- synonyms: accessory, appurtenance, supplement
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). add-on. Retrieved September 21, 2026, from http://smartdefine.org/add-on/definitions/1254766 |
| Chicago | WordNet. 2010. "add-on" http://smartdefine.org/add-on/definitions/1254766 (accessed September 21, 2026). |
| Harvard | WordNet 2010, add-on, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/add-on/definitions/1254766>. |
| MLA | WordNet. "add-on" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/add-on/definitions/1254766> |