Addition
Addition noun - Something added (as by growth).
Usage example: the cache of old stamps I found in the discarded desk was a huge addition to my stamp collection
Addendum is a synonym for addition in annex topic. In some cases you can use "Addendum" instead a noun "Addition", when it comes to topics like accessory, supplement, annexation, extra. popular alternative
Addendum
Addendum noun - A part added at the end of a book or periodical.
Usage example: there's an addendum from the author to explain certain stylistic choices that she made
Mutual synonyms
Related pairs
- attachment and addition
- attachment and addendum
- annex and addition
- annex and addendum
- adjunct and addition
- adjunct and addendum
- accessory and addition
- accessory and addendum
- extension and addition
- extension and addendum
- appendage and addition
- appendage and addendum
- supplement and addition
- supplement and addendum
How words are described
| unfortunate | unfortunate addition | unfortunate addendum |
| additional | additional addition | additional addendum |
| optional | optional addition | optional addendum |
Cite this Source
Addendum and Addition. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/addition/addendum
Addition & Addendum. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/addition/addendum>.
Addendum or Addition. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/addition/addendum.
Google Ngram Viewer shows how "addition" and "addendum" have occurred on timeline