40 entries under unpredictable topic. ×

10
unstable(adjective, short, limited, impulsive)
9
fickle(adjective, impulsive, transient, explosive)
8
changeable(adjective, short, limited, impulsive)
8
inconstant(adjective, impulsive, explosive)
4
capricious(impulsive, explosive)
4
variable(adjective, impulsive, changeable, fickle)
2
elastic(adjective, impulsive, explosive)
2
erratic(adjective, impulsive, explosive)
2
impulsive
2
resilient(impulsive, explosive)
2
unsteady(adjective, impulsive, fickle, explosive)
1
unsettled(moving, casual, impulsive, explosive)
0
airy(impulsive, explosive)
0
buoyant(impulsive, explosive)
0
effervescent(impulsive, explosive)
0
elusive(impulsive, explosive)
0
expansive(impulsive, explosive)
0
explosive
0
flighty(impulsive, explosive)
0
flippant(impulsive, explosive)
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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>