134 entries under addition topic. ×
| extra(noun, part, increase, extension) | |
| accession(noun, increase, raise, rise, extra) | |
| add-on(noun, increase, extra, attachment) | |
| attachment(noun, act, increase, measure, extra) | |
| auxiliary(noun, adjective, part, extra) | |
| reinforcement(noun, extra, complement, appendage) | |
| additive(noun, increase, extra, ingredient) | |
| insert(noun, verb, increase, attach, enhance) | |
| rider(noun, act, increase, measure, extra) | |
| accoutrement(noun, part, extra, extension) | |
| annexation | |
| fixture(noun, part, extra, extension) | |
| spread(noun, verb, take, cover, advance) | |
| stretch(noun, verb, take, cover, increase) | |
| afterthought | |
| development(noun, increase, delay, spread) | |
| expansion(noun, increase, delay, development, spread) | |
| insertion(noun, increase, extra, pullout) | |
| superaddition | |
| supernumerary(noun, adjunct) |
For more, visit
Supplement on
Power Thesaurus
| 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> |