55 entries under extra topic. ×
| accrual(noun, increase, raise, gain, rise) | |
| appurtenance(noun, part, addition, decoration) | |
| fixture(noun, part, addition, accessory) | |
| add-on(noun, increase, treat, extravagance) | |
| gain(noun, advance, increase, raise, rise) | |
| additive(noun, increase, addition, supplement) | |
| auxiliary(noun, part, addition, decoration) | |
| boost(noun, advance, increase, raise, gain) | |
| complement(noun, increase, addition, supplement) | |
| enhancement(noun, increase, rise, growth) | |
| hike(noun, advance, increase, raise, rise) | |
| part(noun, branch, section, addition) | |
| raise(noun, increase, rise, growth) | |
| reinforcement(noun, support, increase, rise, growth) | |
| codicil(noun, increase, addition, supplement) | |
| insert(noun, support, increase, addition) | |
| postscript(noun, increase, line, addition) | |
| profit(noun, increase, supplement, appendage) | |
| accoutrement(noun, part, addition) | |
| added feature(noun, expression, increase, addition) |
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| APA | Smart Define. (2015). extension thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extension/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "extension thesaurus" https://smartdefine.org/extension/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, extension thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extension/thesaurus/synonyms>. |
| MLA | Smart Define. "extension thesaurus" 22 December 2015. Web. 23 September 2026. <https://smartdefine.org/extension/thesaurus/synonyms> |