80 entries under unstable topic. ×

15
moody(noun, adjective, careless, feelings)
14
irritable(adjective, delicate, unpleasant, sensitive)
13
capricious(adjective, change, weak, continue, delicate)
12
erratic(adjective, change, continue, cross, careless)
12
testy(adjective, delicate, cross, nervous, sensitive)
12
fickle(adjective, change, moving, continue, delicate)
11
irascible(adjective, delicate, cross, unpleasant, passionate)
11
petulant(adjective, delicate, unpleasant, sensitive)
10
crabby(adjective, unpleasant, disagreeable, changeable)
10
crotchety(adjective, unpleasant, careless, unreasonable)
10
short-tempered(adjective, quick, changeable, touchy)
9
variable(adjective, change, continue, delicate, careless)
8
crabbed(adjective, mean, nasty, delicate, unpleasant)
8
mercurial(adjective, change, continue, delicate, cross)
7
changeable(adjective, change, weak, continue, delicate)
7
cross(adjective, mean, nasty, delicate, unpleasant)
7
grumpy(adjective, delicate, unpleasant, sensitive)
7
ill-tempered(adjective, unpleasant, passionate, fierce)
7
inconstant(adjective, change, continue, delicate, careless)
6
cantankerous(adjective, delicate, cross, unpleasant, miserable)
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APASmart Define. (2016). temperamental thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/temperamental/thesaurus/synonyms
ChicagoSmart Define. 2016. "temperamental thesaurus" https://smartdefine.org/temperamental/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, temperamental thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/temperamental/thesaurus/synonyms>.
MLASmart Define. "temperamental thesaurus" 28 March 2016. Web. 26 September 2026. <https://smartdefine.org/temperamental/thesaurus/synonyms>