4
rootless(adjective, transient)
4
variable(adjective, impulsive, unpredictable, changeable, fickle)
3
acting
3
flickering(adjective, transient)
3
human
3
instantaneous(adjective, transient)
3
kaleidoscopic
3
provisionary
3
quick(adjective, transient, transitory, short-lived)
3
shifting(adjective, transient)
3
stopgap
3
transitional
2
adaptable
2
alterable
2
draft
2
elastic(adjective, impulsive, unpredictable, explosive)
2
erratic(adjective, impulsive, unpredictable, explosive)
2
flying(short, brief, temporary, transitory, short-lived)
2
impulsive(unpredictable, explosive)
2
insubstantial
10 years ago|9.3k views|share |citing 
APASmart Define. (2016). impermanent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/impermanent/thesaurus/synonyms
ChicagoSmart Define. 2016. "impermanent thesaurus" https://smartdefine.org/impermanent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, impermanent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/impermanent/thesaurus/synonyms>.
MLASmart Define. "impermanent thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/impermanent/thesaurus/synonyms>