71 entries under temperamental topic. ×

19
capricious(adjective, cross, unusual, lively, melancholy)
17
volatile(adjective, careless, lively, active, nervous)
15
hotheaded(adjective, rude, careless, silly, crazy)
11
changeable(adjective, cross, lively, melancholy, active)
11
fickle(adjective, moving, cross, careless, lively)
11
flighty(adjective, careless, unstable, unreasonable, unsettled)
9
inconstant(adjective, careless, lively, active, unstable)
9
passionate(adjective, moving, violent, careless, enthusiastic)
8
erratic(adjective, cross, unusual, careless, lively)
8
fiery(adjective, strong, moving, difficult, intense)
8
unpredictable(noun, adjective, extraordinary, unusual, careless)
6
fitful(adjective, careless, unstable, unreasonable, irregular)
6
fluctuating(adjective, lively, active, unstable, irregular)
6
mad(adjective, violent, lively, active, fervent)
6
mercurial(adjective, cross, careless, lively, melancholy)
6
variable(adjective, careless, lively, active, unstable)
5
unstable(adjective, careless, lively, active, unreasonable)
4
excitable(adjective, upset, moving, intense, violent)
4
irregular(adjective, lively, active, unstable, chance)
4
touchy(adjective, nervous, unstable, restless, fiery)
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APASmart Define. (2015). impulsive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impulsive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impulsive thesaurus" https://smartdefine.org/impulsive/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, impulsive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impulsive/thesaurus/synonyms>.
MLASmart Define. "impulsive thesaurus" 3 August 2015. Web. 23 September 2026. <https://smartdefine.org/impulsive/thesaurus/synonyms>