150 entries under unpredictable topic. ×

3
irrepressible(adjective, strong, hard, tough, lively)
3
movable(adjective, lively, unstable, unsettled)
3
uneven(adjective, irregular, unreliable, unbalanced)
3
varying(adjective, unstable, irregular, unsettled)
2
active(lively, changeable)
2
contrary(careless, unstable, unreasonable, changeable)
2
desultory(irregular, unreliable)
2
elusive(adjective, vague, mysterious, changeable)
2
frenzied(adjective, unstable, unsettled, heated)
2
hazardous(adjective, delicate, wild, sensitive, unstable)
2
hypersensitive(adjective, delicate, passionate, sensitive, unstable)
2
iffy(adjective, unusual, uncertain, unstable, irregular)
2
kinky(careless, unstable, unreasonable, changeable)
2
meteoric(adjective, unstable, brief, transitory)
2
mobile(adjective, lively, active, unstable, unsettled)
2
raging(adjective, unstable, heated)
2
roving(irregular, unreliable)
2
spasmodic(adjective, unstable, irregular, unsettled)
2
uncontrollable(unstable, excitability)
2
up and down(expression, adjective, idiom, free, careless)
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APASmart Define. (2016). volatile thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/volatile/thesaurus/synonyms
ChicagoSmart Define. 2016. "volatile thesaurus" https://smartdefine.org/volatile/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, volatile thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/volatile/thesaurus/synonyms>.
MLASmart Define. "volatile thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/volatile/thesaurus/synonyms>