50 entries under lively 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)
13
active(adjective, sharp, fast, velocity)
11
quicksilver(noun, adjective, unpredictable, changeable)
10
mobile(adjective, active, unstable, unsettled)
8
fluctuating(adjective, active, unstable, irregular)
8
movable(adjective, unstable, unsettled, changeable)
8
temperamental(adjective, change, continue, delicate, cross)
7
alert(sharp, fast, sprightly, nimble)
7
brisk(sharp, fast, speedy, hasty)
7
impulsive(adjective, cross, careless, melancholy)
7
irregular(adjective, uncertain, active, unstable)
7
quick(adjective, sharp, fast, restless)
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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>