484 entries under noun topic. ×
| aggrandizement(advance, increase, raise, rise) | |
| annexe | |
| auxiliary(adjective, part, extra, extension) | |
| bonus(advantage, extra, enlargement, plus) | |
| continuation(increase, delay, development, spread) | |
| development(advance, increase, raise, delay) | |
| ell(section, extension, annex, addendum) | |
| fixture(part, extra, extension, accessory) | |
| growth(advance, increase, raise, rise) | |
| improver | |
| increasing(advance, increase, progress, development) | |
| inflation(advance, increase, raise, rise) | |
| sum(mark, damage, total, quantity) | |
| swelling(increase, raise, rise, growth) | |
| access(raise, rise, growth, surge) | |
| amalgamation(augmentation, mixing) | |
| amplification(increase, delay, rise, development) | |
| attainment(advance, increase, gain, advantage) | |
| enhancement(increase, rise, rest, match) | |
| frill(extra, attachment, decoration, supplement) |
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| APA | Smart Define. (2015). addition thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/addition/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "addition thesaurus" https://smartdefine.org/addition/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, addition thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/addition/thesaurus/synonyms>. |
| MLA | Smart Define. "addition thesaurus" 22 December 2015. Web. 28 September 2026. <https://smartdefine.org/addition/thesaurus/synonyms> |