Synonyms|797Antonyms|170|Broader|4Narrower|1Related|1k

141 entries under unstable topic. ×

1
huffy(changeable, temperamental)
1
humorsome(adjective, careless, unreasonable, unpredictable)
1
hyper(adjective, passionate, unpredictable, unreliable)
1
hypersensitive(adjective, passionate, unpredictable, unreliable)
1
iffy(adjective, unusual, uncertain, irregular)
1
ill-humored(melancholy, miserable, changeable, temperamental)
1
ill-tempered(changeable, temperamental)
1
in a huff(expression, idiom, melancholy, miserable)
1
in bad mood(expression, adjective, idiom, passionate)
1
in the doldrums(expression, idiom, melancholy, miserable)
1
irascible(nervous, restless, changeable, fiery)
1
irritable(adjective, cross, passionate, miserable, sensitive)
1
kaleidoscopic(unsettled, variable)
1
kinky(careless, unreasonable, unpredictable, changeable)
1
mean(adjective, passionate, unpredictable, unreliable)
1
miserable(melancholy, changeable, temperamental, downcast)
1
moping(melancholy, miserable, changeable, temperamental)
1
neurotic(adjective, passionate, nervous, emotional)
1
notional(adjective, careless, unreasonable, impulsive)
1
odd(careless, unreasonable, unpredictable, changeable)
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ChicagoSmart Define. 2015. "mercurial thesaurus" https://smartdefine.org/mercurial/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, mercurial thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/mercurial/thesaurus/synonyms>.
MLASmart Define. "mercurial thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/mercurial/thesaurus/synonyms>