75 entries under extra topic. ×
| bells and whistles(noun, expression, idiom, increase) | |
| commission(noun, appendage, add-on) | |
| companion(noun, rest, match, balance) | |
| extravagance(noun, addition) | |
| fitting(noun, part, addition, extension) | |
| option(noun, increase, addition, appendage) | |
| optional extra(noun, expression, addition, attachment) | |
| part(noun, addition, extension) | |
| profit(noun, increase, raise, rise) | |
| pullout(noun, increase, addition) | |
| rest(noun, match, balance, foil) | |
| something joined(noun, expression, part, addition) | |
| spin-off(noun, increase, addition, derivative) | |
| treat(noun, addition) | |
| trimming(noun, addition, accessory, decoration) |
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| APA | Smart Define. (2015). supplement thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/supplement/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "supplement thesaurus" https://smartdefine.org/supplement/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, supplement thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/supplement/thesaurus/synonyms>. |
| MLA | Smart Define. "supplement thesaurus" 22 December 2015. Web. 24 September 2026. <https://smartdefine.org/supplement/thesaurus/synonyms> |