80 entries under uncertain topic. ×

8
wavering(adjective, upset, anxious, unstable)
7
hazardous(adjective, delicate, wild, sensitive)
7
incalculable(adjective, doubtful, dubious, changeable)
6
dubious(adjective, weak, loose, irregular)
6
indecisive(adjective, unstable, shy, doubtful)
6
irresolute(adjective, unstable, shy, irregular)
6
mutable(adjective, upset, careless, anxious)
6
ticklish(noun, adjective, upset, change, continue)
6
vacillating(adjective, unstable, shy, irregular)
5
fluky(adjective, changeable, risky, erratic)
5
questionable(adjective, doubtful, vague, hesitant)
5
tricky(noun, adjective, weak, difficult, delicate)
5
untrustworthy(adjective, weak, careless, loose, foolish)
4
explosive(adjective, upset, passionate, wild)
4
hesitant(adjective, shy, doubtful, vague)
4
unsound(adjective, careless, loose, unreliable)
3
changing(adjective, upset, anxious, worried)
3
incongruous(adjective, strange, irregular, odd)
3
irrational(adjective, weak, silly, crazy)
3
slippery(adjective, weak, sensitive, doubtful)
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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>