59 entries under supplement topic. ×
| boost(noun, appendage, add-on) | |
| codicil(noun, increase, addition, additive) | |
| commission(noun, advantage, plus, appendage) | |
| enhancement(noun, increase, addition, complement) | |
| enlargement(noun, appendage, add-on) | |
| expansion(noun, appendage, add-on) | |
| fee(noun, prize, stock, reward, payment) | |
| flavor enhancer(noun, expression, attachment) | |
| hike(noun, appendage, add-on) | |
| optional extra(noun, expression, addition, attachment) | |
| payment(noun, share, reward, surplus, fee) | |
| postscript(noun, increase, addition, additive) | |
| preservative(noun, attachment) | |
| raise(noun, appendage, add-on) | |
| reinforcement(noun, complement, appendage, add-on) | |
| rider(noun, increase, addition, additive) | |
| rise(noun, appendage, add-on) | |
| something conjoined(expression, addition) | |
| wing(noun, appendage, add-on) |
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| APA | Smart Define. (2016). extra thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extra/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "extra thesaurus" https://smartdefine.org/extra/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, extra thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extra/thesaurus/synonyms>. |
| MLA | Smart Define. "extra thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/extra/thesaurus/synonyms> |