15 entries under supplement topic. ×
| addition(noun, increase, extra, qualification) | |
| appendix(noun, increase, extra, addition, document) | |
| codicil(noun, act, part, increase, measure) | |
| addendum(noun, act, increase, measure, extra) | |
| postscript(noun, increase, extra, addition) | |
| adjunct(noun, act, increase, measure, extra) | |
| appendage(noun, increase, extra, addition) | |
| add-on(noun, increase, extra, addition) | |
| added | |
| afterthought | |
| attachment(noun, act, measure, addition, qualification) | |
| augmentation | |
| extension(noun, increase, extra, addition) | |
| extra(noun, increase, addition, additive) | |
| something conjoined(expression, addition) |
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| APA | Smart Define. (2015). rider thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rider/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rider thesaurus" https://smartdefine.org/rider/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, rider thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rider/thesaurus/synonyms>. |
| MLA | Smart Define. "rider thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/rider/thesaurus/synonyms> |