42 entries under extra topic. ×
| provisional(adjective, new, inferior, sensitive, limited) | |
| temporary(adjective, new, unsettled, trial) | |
| experimental(adjective, counterfeit, new, near, reserve) | |
| alternative(alternate, auxiliary, supernumerary) | |
| substitute(adjective, alternative, alternate, auxiliary) | |
| acting(adjective, unsettled, auxiliary, speculative) | |
| makeshift(adjective, unsettled, temporary, speculative) | |
| backup(auxiliary, supernumerary) | |
| stopgap(adjective, temporary, auxiliary, contingent) | |
| surrogate(alternate, auxiliary, supernumerary) | |
| alternate(auxiliary, supernumerary) | |
| counterfeit(auxiliary, supernumerary) | |
| dummy(auxiliary, supernumerary) | |
| ersatz(auxiliary, supernumerary) | |
| imitation(auxiliary, supernumerary) | |
| mock(auxiliary, supernumerary) | |
| proxy(auxiliary, supernumerary) | |
| reserve(auxiliary, supernumerary) | |
| vicarious(auxiliary, supernumerary) | |
| additional(auxiliary, supernumerary) |
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| APA | Smart Define. (2015). tentative thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/tentative/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tentative thesaurus" https://smartdefine.org/tentative/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, tentative thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/tentative/thesaurus/synonyms>. |
| MLA | Smart Define. "tentative thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/tentative/thesaurus/synonyms> |