41 entries under supernumerary topic. ×
| supplementary(adjective, increase, extraordinary, new, spare) | |
| auxiliary(adjective, increase, extraordinary, new, spare) | |
| additional(adjective, extraordinary, new, spare, fresh) | |
| extra(adjective, spare, excess, addition, further) | |
| ancillary(adjective, extraordinary, new, spare, fresh) | |
| substitute(adjective, extra, alternative, auxiliary) | |
| other(adjective, extraordinary, new, spare, fresh) | |
| another(adjective, extraordinary, new, spare, fresh) | |
| standby(adjective, increase, extra, auxiliary) | |
| reserve(adjective, increase, extraordinary, new, spare) | |
| second(adjective, counterfeit, spare, near, reserve) | |
| acting(extra, auxiliary) | |
| alternate(extra, auxiliary) | |
| alternative(extra, additional, auxiliary, another) | |
| artificial(extra, auxiliary) | |
| counterfeit(extra, auxiliary) | |
| dummy(extra, auxiliary) | |
| ersatz(extra, auxiliary) | |
| experimental(extra, auxiliary) | |
| false(extra, auxiliary) |
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| APA | Smart Define. (2015). supplemental thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/supplemental/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "supplemental thesaurus" https://smartdefine.org/supplemental/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, supplemental thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/supplemental/thesaurus/synonyms>. |
| MLA | Smart Define. "supplemental thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/supplemental/thesaurus/synonyms> |