2
not permanent(expression, idiom)
2
proxy(extra, replacement, alternative, alternate, auxiliary)
2
quickly
2
reserve(extra, substitute, replacement, alternate, stalwart)
2
standby(noun, reserve, extra, substitute, replacement)
2
succedaneum(noun, replacement, alternative, alternate, backup)
2
surrogate(adjective, extra, substitute, replacement, alternative)
2
temporarily
2
time
2
transmigratory(adjective, migratory)
2
unpredictable
2
untrustworthy(adjective, dubious, unreliable, brief, passing)
2
vanishing(adjective, brief, transient, transitory, short-lived)
2
vicarious(extra, auxiliary, supernumerary)
1
active
1
atypical
1
backup(reserve, extra, substitute, replacement, alternative)
1
conditional(adjective, unsettled, tentative, speculative, contingent)
1
convertible
1
counterfeit(extra, auxiliary, supernumerary)
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APASmart Define. (2016). temporary thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/temporary/thesaurus/synonyms
ChicagoSmart Define. 2016. "temporary thesaurus" https://smartdefine.org/temporary/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, temporary thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/temporary/thesaurus/synonyms>.
MLASmart Define. "temporary thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/temporary/thesaurus/synonyms>