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

141 entries under unstable topic. ×

1
cantankerous(changeable, temperamental)
1
careless(unreasonable, unpredictable, changeable, variable)
1
commutative(unsettled, variable)
1
contrary(adjective, careless, uncertain, unreasonable)
1
crabby(changeable, temperamental)
1
cross(changeable, temperamental)
1
crotchety(adjective, careless, unreasonable, unpredictable)
1
cussed(adjective, passionate, unpredictable, unreliable)
1
down in the dumps(expression, idiom, melancholy, miserable)
1
down in the mouth(expression, idiom, melancholy, miserable)
1
easily upset(expression, adjective, passionate, unpredictable)
1
every which way(expression, careless, unreasonable, unpredictable)
1
explosive(adjective, passionate, impulsive, unpredictable)
1
fiery(adjective, passionate, nervous, fierce)
1
froward(adjective, passionate, unpredictable, unreliable)
1
frowning(melancholy, miserable, changeable, temperamental)
1
headstrong(adjective, passionate, unpredictable, unreliable)
1
helter-skelter(careless, unreasonable, unpredictable, changeable)
1
high-strung(adjective, nervous, restless, unreliable)
1
hotheaded(adjective, passionate, unpredictable, unreliable)
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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>