141 entries under unstable topic. ×

10
wavering(adjective, irregular, unsettled, unpredictable)
8
fluctuating(adjective, lively, active, irregular)
8
fluid(adjective, unsettled, unpredictable, unreliable)
8
irresolute(adjective, irregular, unsettled, unpredictable)
8
movable(adjective, lively, unsettled, changeable)
8
temperamental(adjective, change, continue, delicate, cross)
8
vacillating(adjective, irregular, unsettled, unpredictable)
7
impulsive(adjective, cross, careless, lively, melancholy)
7
irregular(adjective, lively, uncertain, active)
6
excitable(adjective, upset, passionate, nervous, sensitive)
6
fitful(adjective, cross, careless, melancholy, uncertain)
6
moody(adjective, careless, unreasonable, restless)
6
ticklish(adjective, change, continue, difficult, delicate)
6
varying(adjective, irregular, unsettled, unpredictable)
6
whimsical(adjective, change, continue, careless)
5
effervescent(adjective, careless, lively, unreasonable)
5
indecisive(adjective, unsettled, changeable, variable)
5
protean(adjective, unsettled, unpredictable, unreliable)
5
unfixed(adjective, unsettled, variable)
4
fanciful(adjective, careless, unreasonable, impulsive)
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APASmart Define. (2015). mercurial thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/mercurial/thesaurus/synonyms
ChicagoSmart Define. 2015. "mercurial thesaurus" https://smartdefine.org/mercurial/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, mercurial thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/mercurial/thesaurus/synonyms>.
MLASmart Define. "mercurial thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/mercurial/thesaurus/synonyms>