353 entries under adjective topic. ×

3
unpremeditated(noun, passionate, violent, thoughtless)
3
unresolved(doubtful, vague, hesitant, changeable)
3
unrestrained
3
vague(unstable, doubtful, hesitant, changeable)
3
wishy-washy
2
aberrant(irregular, unreliable, capricious, errant)
2
abnormal(irregular, unreliable)
2
adventitious
2
aimless
2
anomalous(irregular, unreliable)
2
bizarre(strange, fantastic, individual, irregular)
2
critical(difficult, tricky)
2
debatable
2
difficult(noun, tricky, risky, dangerous)
2
dodgy
2
doubting(uncertain, shy, doubtful, hesitant)
2
faithless(changeable, indecisive, inconsistent)
2
fallible(fickle, variable, undependable, fly-by-night)
2
flickering(irregular, changeable, variable)
2
fluid(upset, uncertain, anxious, unstable)
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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>