48 entries under extra topic. ×
| enlargement(noun, increase, delay, development) | |
| reinforcement(noun, supplement, appendage, adjunct) | |
| accrual(noun, supplement, appendage, add-on) | |
| additive(noun, increase, addition, supplement) | |
| boost(noun, supplement, appendage, add-on) | |
| enhancement(noun, increase, addition, supplement) | |
| expansion(noun, increase, delay, development, spread) | |
| gain(noun, supplement, appendage, add-on) | |
| raise(noun, supplement, appendage, add-on) | |
| rise(noun, supplement, appendage, add-on) | |
| subsidiary(noun, increase, addition, extension) | |
| add-on(noun, increase, addition, attachment) | |
| bonus(noun, addition, supplement, appendage) | |
| dividend(noun, supplement, appendage, add-on) | |
| insertion(noun, increase, addition) | |
| wing(noun, increase, delay, development, spread) | |
| added feature(noun, expression, increase, addition) | |
| aggrandizement(noun, supplement, appendage, add-on) | |
| bell(noun, increase, addition, additive) | |
| bells and whistles(noun, expression, idiom, increase) |
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| APA | Smart Define. (2015). addendum thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/addendum/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "addendum thesaurus" https://smartdefine.org/addendum/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, addendum thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/addendum/thesaurus/synonyms>. |
| MLA | Smart Define. "addendum thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/addendum/thesaurus/synonyms> |