4
improvised
4
incidental
4
mortal(adjective, transientness)
4
occasional
4
preparative
4
preparatory
4
probative(adjective, experiment)
4
rough-and-ready(adjective, tentative, contingent)
4
secondary(sensitive, apt, indirect, incidental)
4
short-lived
4
short-range(adjective, continue, temporary)
3
adventitious
3
alternative(extra, crude, substitute, temporary, auxiliary)
3
awhile(adjective, adverb)
3
backup(extra, auxiliary, supernumerary)
3
band-aid
3
doubtful
3
insecure
3
jury-rigged
3
perishable(adjective, transientness)
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APASmart Define. (2016). provisional thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/provisional/thesaurus/synonyms
ChicagoSmart Define. 2016. "provisional thesaurus" https://smartdefine.org/provisional/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, provisional thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/provisional/thesaurus/synonyms>.
MLASmart Define. "provisional thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/provisional/thesaurus/synonyms>