4
ephemeral
4
interim
4
makeshift
4
transitory
3
acting
3
evanescent
3
fly-by-night
3
improvised
3
jury-rigged
3
liminal
3
passing
3
pro tem
3
pro tempore
3
short-lived
3
terminable
3
transient
2
capricious
2
episodic
2
fresh
2
fugacious
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APASmart Define. (2016). impermanent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/impermanent/thesaurus/related
ChicagoSmart Define. 2016. "impermanent thesaurus" https://smartdefine.org/impermanent/thesaurus/related (accessed September 20, 2026).
HarvardSmart Define 2016, impermanent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/impermanent/thesaurus/related>.
MLASmart Define. "impermanent thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/impermanent/thesaurus/related>