4
impulsive(adjective, moving, cross, careless, lively)
4
mutable(adjective, careless, unstable, unreasonable, impulsive)
4
prickly(adjective, unpleasant, sensitive, disagreeable, ill-tempered)
4
undecided
4
uneven(unbalanced, unhinged)
4
wayward(careless, unstable, unreasonable, unpredictable, changeable)
3
abrupt
3
bad-to-the-bone(adjective, bad, cool, awesome)
3
congenital
3
cushdy(adjective, bad, cool, awesome)
3
dour(adjective, unstable, changeable)
3
fantastical(adjective, change, continue)
3
fierce(adjective, bad, cool, passionate, nervous)
3
frickin' awesome(adjective, bad, cool, awesome)
3
glum(adjective, unstable, changeable)
3
ill-natured
3
inborn
3
intense(passionate, fierce, vehement)
3
larger-than-life(adjective, bad, cool, awesome)
3
lubricious(adjective, careless, lively, uncertain, active)
10 years ago|11k views|share |citing 
APASmart Define. (2016). temperamental thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/temperamental/thesaurus/synonyms
ChicagoSmart Define. 2016. "temperamental thesaurus" https://smartdefine.org/temperamental/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, temperamental thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/temperamental/thesaurus/synonyms>.
MLASmart Define. "temperamental thesaurus" 28 March 2016. Web. 23 September 2026. <https://smartdefine.org/temperamental/thesaurus/synonyms>