55 entries under extra topic. ×
| bell(noun, increase, addition) | |
| bells and whistles(noun, expression, idiom, increase) | |
| bonus(noun, addition, supplement, appendage) | |
| commission(noun, supplement, appendage, add-on) | |
| dividend(noun, supplement, appendage, add-on) | |
| fitting(noun, part, addition) | |
| insertion(noun, increase, addition) | |
| option(noun, increase, addition, supplement) | |
| pullout(noun, increase, addition) | |
| rider(noun, increase, addition, supplement) | |
| something added(noun, expression, increase, addition) | |
| something joined(noun, expression, part, addition) | |
| spin-off(noun, increase, product, result) | |
| subsidiary(noun, increase, addition, subdivision) | |
| surcharge(noun, supplement, appendage, add-on) |
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| APA | Smart Define. (2015). extension thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/extension/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "extension thesaurus" https://smartdefine.org/extension/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, extension thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/extension/thesaurus/synonyms>. |
| MLA | Smart Define. "extension thesaurus" 22 December 2015. Web. 24 September 2026. <https://smartdefine.org/extension/thesaurus/synonyms> |