107 entries under unpredictable topic. ×

6
uncertain(adjective, change, weak, continue, delicate)
6
undependable(adjective, unreliable, erratic, moody)
5
fiery(adjective, moving, passionate, nervous, fierce)
5
hot-blooded(adjective, moving, passionate, sensitive, fierce)
5
thin-skinned(adjective, delicate, sensitive, unreliable)
4
fanciful(careless, unstable, unreasonable, changeable)
4
impulsive(adjective, moving, cross, careless, lively)
4
mutable(adjective, careless, unstable, unreasonable, impulsive)
4
wayward(careless, unstable, unreasonable, changeable)
3
lubricious(adjective, careless, lively, uncertain, active)
3
unsteady(adjective, change, weak, continue, delicate)
2
arbitrary(careless, unstable, unreasonable, changeable)
2
changeful(adjective, careless, unstable, unreasonable, impulsive)
2
fitful(adjective, cross, careless, melancholy, unstable)
2
flaky(careless, lively, unstable, unreasonable)
2
fluctuating(adjective, weak, lively, uncertain, active)
2
headstrong(adjective, unreliable, erratic, moody)
2
humorsome(careless, unstable, unreasonable, changeable)
2
kinky(careless, unstable, unreasonable, changeable)
2
mean(adjective, nasty, delicate, unpleasant, dirty)
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APASmart Define. (2016). temperamental thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/temperamental/thesaurus/synonyms
ChicagoSmart Define. 2016. "temperamental thesaurus" https://smartdefine.org/temperamental/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, temperamental thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/temperamental/thesaurus/synonyms>.
MLASmart Define. "temperamental thesaurus" 28 March 2016. Web. 24 September 2026. <https://smartdefine.org/temperamental/thesaurus/synonyms>