132 entries under addition topic. ×
| rider(noun, increase, extra, supplement) | |
| something added(noun, expression, increase, extra) | |
| something conjoined(expression, supplement) | |
| something joined(noun, expression, part, extra) | |
| spin-off(noun, increase, product, extra, result) | |
| subsidiary(noun, increase, extra, subdivision) | |
| supernumerary(noun, supplement) | |
| supplementary building(noun, expression) | |
| treat(noun, supplement) | |
| trim(noun, decoration, fixture) | |
| trimming(noun, decoration, supplement, fixture) | |
| upgrade(noun, raise, rise, growth) |
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| APA | Smart Define. (2015). extension thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/extension/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "extension thesaurus" https://smartdefine.org/extension/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, extension thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/extension/thesaurus/synonyms>. |
| MLA | Smart Define. "extension thesaurus" 22 December 2015. Web. 26 September 2026. <https://smartdefine.org/extension/thesaurus/synonyms> |