70 entries under temperamental topic. ×

1
petulant(adjective, cross, passionate, miserable, unstable)
1
piqued(melancholy, miserable, unstable, changeable)
1
resilient(lively, impulsive, unpredictable, changeable)
1
short-tempered(unstable, changeable)
1
splenetic(melancholy, unstable, changeable, downcast)
1
testy(unstable, changeable)
1
touchy(unstable, unreliable, changeable, fickle, insecure)
1
up-and-down(lively, impulsive, unpredictable, changeable)
1
yo-yo(adjective, careless, lively, active, unstable)
0
crabbed(unstable, changeable)
0
crestfallen(melancholy, miserable, unstable, changeable)
0
dismal(melancholy, miserable, unstable, changeable)
0
doleful(melancholy, miserable, unstable, changeable)
0
dour(unstable, changeable)
0
downcast(melancholy, miserable, unstable, changeable)
0
gloomy(unstable, changeable)
0
glum(unstable, changeable)
0
grumpy(unstable, changeable)
0
irrepressible(lively, unpredictable, changeable)
0
lighthearted(lively, unpredictable, changeable)
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APASmart Define. (2016). erratic thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/erratic/thesaurus/synonyms
ChicagoSmart Define. 2016. "erratic thesaurus" https://smartdefine.org/erratic/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, erratic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/erratic/thesaurus/synonyms>.
MLASmart Define. "erratic thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/erratic/thesaurus/synonyms>