78 entries under temperamental topic. ×

27
fickle(adjective, change, continue, delicate, cross)
24
erratic(adjective, change, continue, cross, passionate)
23
capricious(adjective, change, continue, attitude, delicate)
23
changeable(adjective, change, continue, delicate, cross)
21
inconstant(adjective, change, continue, delicate, careless)
21
unstable(adjective, change, continue, delicate, passionate)
20
volatile(adjective, change, continue, delicate, passionate)
18
variable(adjective, change, continue, delicate, passionate)
16
unpredictable(adjective, change, continue, passionate, careless)
11
quicksilver(noun, adjective, lively, unpredictable, changeable)
10
mobile(adjective, lively, active, unstable, unsettled)
8
fluctuating(adjective, lively, active, unstable, irregular)
8
lively(adjective, sharp, fast, speedy, brisk)
8
movable(adjective, lively, unstable, unsettled, changeable)
7
impulsive(adjective, cross, careless, lively, melancholy)
7
irregular(adjective, lively, uncertain, active, unstable)
6
fitful(adjective, cross, careless, melancholy, uncertain)
6
moody(adjective, careless, unstable, unreasonable, restless)
6
ticklish(adjective, change, continue, difficult, delicate)
5
effervescent(adjective, careless, lively, unstable, unreasonable)
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APASmart Define. (2015). mercurial thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/mercurial/thesaurus/synonyms
ChicagoSmart Define. 2015. "mercurial thesaurus" https://smartdefine.org/mercurial/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, mercurial thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mercurial/thesaurus/synonyms>.
MLASmart Define. "mercurial thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/mercurial/thesaurus/synonyms>