206 entries under unpredictable topic. ×

1
bubbleheaded(adjective, careless, lively, active, unstable)
1
careless(adjective, wild, silly, loose, stupid)
1
contrary(adjective, uncertain, irregular, impulsive)
1
crotchety(adjective, variable)
1
cussed(adjective, passionate, unstable, unreliable)
1
deceitful(adjective, false, dishonest, dubious)
1
devious(irregular, unreliable, untrustworthy, sneaky)
1
easily upset(expression, adjective, passionate, unstable)
1
effervescent(lively, impulsive, tolerant, unreliable)
1
excitable(adjective, passionate, excited, unstable)
1
explosive(adjective, upset, passionate, anxious, unstable)
1
false(adjective, dishonest, dubious, fickle)
1
fiery(adjective, passionate, unstable, unreliable)
1
flaky(adjective, lively, irregular, unreliable)
1
froward(adjective, passionate, unstable, unreliable)
1
headstrong(adjective, passionate, unstable, unreliable)
1
hotheaded(adjective, passionate, unstable, unreliable)
1
hyper(adjective, passionate, unstable, unreliable)
1
hypersensitive(adjective, passionate, unstable, unreliable)
1
iffy(adjective, uncertain, irregular, doubtful, vague)
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APASmart Define. (2016). changeable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/changeable/thesaurus/synonyms
ChicagoSmart Define. 2016. "changeable thesaurus" https://smartdefine.org/changeable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, changeable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/changeable/thesaurus/synonyms>.
MLASmart Define. "changeable thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/changeable/thesaurus/synonyms>