150 entries under unpredictable topic. ×

1
any way the wind blows(expression, careless, unstable, unreasonable)
1
bubbleheaded(lively, unreliable, changeable, erratic)
1
cussed(adjective, passionate, unstable, unreliable)
1
dangerous(adjective, delicate, unstable, irritable)
1
dicey(adjective, delicate, uncertain, sensitive, irregular)
1
dubious(irregular, unreliable, uneven, unbalanced)
1
easily upset(expression, adjective, passionate, nervous, unstable)
1
ebullient(unstable, tolerant, changeable, variable)
1
every which way(expression, careless, unstable, unreasonable)
1
flip(smart, lively, changeable, impertinent)
1
froward(adjective, passionate, unstable, unreliable)
1
headstrong(adjective, passionate, unstable, unreliable)
1
helter-skelter(careless, unstable, unreasonable, changeable)
1
humorsome(careless, unstable, unreasonable, changeable)
1
hyper(adjective, passionate, nervous, unstable, tense)
1
in bad mood(expression, adjective, idiom, passionate, unstable)
1
mean(adjective, delicate, passionate, sensitive, unstable)
1
neurotic(adjective, passionate, anxious, nervous, unstable)
1
notional(careless, unstable, unreasonable, changeable)
1
odd(careless, unstable, unreasonable, changeable)
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APASmart Define. (2016). volatile thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/volatile/thesaurus/synonyms
ChicagoSmart Define. 2016. "volatile thesaurus" https://smartdefine.org/volatile/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, volatile thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/volatile/thesaurus/synonyms>.
MLASmart Define. "volatile thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/volatile/thesaurus/synonyms>