80 entries under unstable topic. ×

6
splenetic(adjective, delicate, cross, melancholy, sensitive)
6
whimsical(adjective, change, continue, careless)
5
freakish(adjective, change, continue, careless)
5
huffy(adjective, sensitive, changeable, prickly)
5
sullen(adjective, unpleasant, irritable, disagreeable)
4
fanciful(careless, unreasonable, unpredictable, changeable)
4
impulsive(adjective, moving, cross, careless, lively)
4
mutable(adjective, careless, unreasonable, impulsive)
4
wayward(careless, unreasonable, unpredictable, changeable)
3
dour(adjective, changeable)
3
glum(adjective, changeable)
3
lubricious(adjective, careless, lively, uncertain, active)
3
morose(adjective, changeable)
3
saturnine(adjective, changeable)
2
arbitrary(careless, unreasonable, unpredictable, changeable)
2
changeful(adjective, careless, unreasonable, impulsive)
2
fitful(adjective, cross, careless, melancholy)
2
flaky(careless, lively, unreasonable, unpredictable)
2
humorsome(careless, unreasonable, unpredictable, changeable)
2
kinky(careless, unreasonable, unpredictable, changeable)
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APASmart Define. (2016). temperamental thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/temperamental/thesaurus/synonyms
ChicagoSmart Define. 2016. "temperamental thesaurus" https://smartdefine.org/temperamental/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, temperamental thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/temperamental/thesaurus/synonyms>.
MLASmart Define. "temperamental thesaurus" 28 March 2016. Web. 28 September 2026. <https://smartdefine.org/temperamental/thesaurus/synonyms>