38 entries under supplement topic. ×
| extra(noun, fee, tax, appendage) | |
| expense(noun, extra, payment, fee) | |
| cost(noun, extra, fee, outlay) | |
| payment(noun, extra, fee, outlay) | |
| price(noun, extra, fee, outlay) | |
| additive(noun, extra, appendage, add-on) | |
| bonus(noun, extra, appendage, add-on) | |
| extra charge(noun, expression, idiom, extra) | |
| increase(noun, verb, raise, boost, swell) | |
| accession(noun, extra, appendage, add-on) | |
| addendum(noun, extra, appendage, add-on) | |
| addition(noun, extra, appendage, add-on) | |
| adjunct(noun, extra, appendage, add-on) | |
| annex(noun, extra, appendage, add-on) | |
| appendage(noun, extra, add-on) | |
| augmentation(noun, extra, appendage, add-on) | |
| boost(noun, verb, increase, raise, swell) | |
| increment(noun, extra, appendage, add-on) | |
| raise(noun, verb, increase, boost, swell) | |
| accessory(noun, extra, appendage, add-on) |
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| APA | Smart Define. (2015). surcharge thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/surcharge/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "surcharge thesaurus" https://smartdefine.org/surcharge/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, surcharge thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/surcharge/thesaurus/synonyms>. |
| MLA | Smart Define. "surcharge thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/surcharge/thesaurus/synonyms> |