80 entries under uncertain topic. ×

28
capricious(adjective, change, continue, unusual, passionate)
27
unstable(adjective, upset, change, continue, passionate)
24
erratic(adjective, change, continue, unusual, passionate)
17
fickle(adjective, change, continue, passionate, careless)
14
inconstant(adjective, upset, change, continue, careless)
14
doubtful(noun, adjective, unstable, shy)
14
irregular(adjective, strange, lively, active)
14
unsettled(adjective, upset, anxious, unstable)
13
mercurial(adjective, change, continue, passionate, careless)
13
variable(adjective, upset, change, continue, passionate)
13
unsure(noun, adjective, loose, unstable)
12
changeable(adjective, upset, change, continue, passionate)
12
chancy(noun, adjective, unstable, changeable)
10
chance(adjective, wonderful, changeable, erratic)
10
dicey(noun, adjective, delicate, unusual)
9
iffy(noun, adjective, irregular, doubtful)
9
random(adjective, unreliable, changeable, erratic)
9
temperamental(adjective, change, continue, delicate, careless)
8
risky(noun, adjective, weak, delicate)
8
unexpected(adjective, passionate, violent, thoughtless)
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APASmart Define. (2015). unpredictable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unpredictable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpredictable thesaurus" https://smartdefine.org/unpredictable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unpredictable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unpredictable/thesaurus/synonyms>.
MLASmart Define. "unpredictable thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/unpredictable/thesaurus/synonyms>