- Definitions|1
- Thesaurus|314
- Abbreviations|0
67 entries under extra topic. ×
| accessory(noun, addition, attachment, decoration) | |
| supplement(noun, increase, addition, attachment) | |
| addition(noun, increase, attachment, decoration) | |
| appurtenance(noun, addition, attachment, decoration) | |
| extension(noun, increase, treat, extravagance) | |
| adjunct(noun, increase, addition, attachment) | |
| accoutrement(noun, addition) | |
| addendum(noun, increase, addition, attachment) | |
| additive(noun, increase, addition, ingredient) | |
| appendage(noun, increase, addition, attachment) | |
| appendix(noun, increase, addition, attachment) | |
| attachment(noun, addition, decoration, supplement) | |
| gain(noun, supplement, appendage) | |
| postscript(noun, increase, addition, supplement) | |
| accession(noun, supplement, appendage) | |
| accompaniment(noun, addition, attachment, decoration) | |
| accompanying(adjective, additional, supplementary) | |
| accrual(noun, supplement, appendage) | |
| added(addition, additional, supplement) | |
| added feature(noun, expression, increase, addition) |
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| APA | Smart Define. (2015). add-on thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/add-on/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "add-on thesaurus" https://smartdefine.org/add-on/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, add-on thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/add-on/thesaurus/synonyms>. |
| MLA | Smart Define. "add-on thesaurus" 22 December 2015. Web. 24 September 2026. <https://smartdefine.org/add-on/thesaurus/synonyms> |