41 entries under auxiliary topic. ×

25
provisional(adjective, new, inferior, sensitive, limited)
14
temporary(adjective, new, unsettled, extra, trial)
13
experimental(adjective, counterfeit, new, near, reserve)
8
alternative(extra, alternate, supernumerary)
5
substitute(adjective, extra, alternative, alternate)
4
acting(adjective, unsettled, extra, speculative)
3
backup(extra, supernumerary)
3
stopgap(adjective, extra, temporary, contingent)
3
surrogate(extra, alternate, supernumerary)
2
alternate(extra, supernumerary)
2
counterfeit(extra, supernumerary)
2
dummy(extra, supernumerary)
2
ersatz(extra, supernumerary)
2
imitation(extra, supernumerary)
2
mock(extra, supernumerary)
2
proxy(extra, supernumerary)
2
reserve(extra, supernumerary)
2
vicarious(extra, supernumerary)
0
additional(extra, supernumerary)
0
ancillary(extra, supernumerary)
<123>
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APASmart Define. (2015). tentative thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/tentative/thesaurus/synonyms
ChicagoSmart Define. 2015. "tentative thesaurus" https://smartdefine.org/tentative/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, tentative thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/tentative/thesaurus/synonyms>.
MLASmart Define. "tentative thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/tentative/thesaurus/synonyms>