196 entries under unpredictable topic. ×

2
ambivalent(adjective, doubtful, vague, hesitant)
2
careless(adjective, loose, unstable, unreasonable, impulsive)
2
contrary(adjective, careless, uncertain, unstable, unreasonable)
2
elastic(adjective, lively, impulsive, changeable)
2
ephemeral(adjective, impulsive, explosive)
2
fugacious(adjective, impulsive, explosive)
2
impermanent(adjective, impulsive, explosive)
2
lubricious(adjective, careless, lively, uncertain, active)
2
makeshift(adjective, fickle, variable, undependable)
2
momentary(adjective, impulsive, explosive)
2
transitory(adjective, impulsive, explosive)
2
undetermined(adjective, doubtful, vague, hesitant)
2
unfaithful(adjective, changeable, fickle, variable)
2
unforeseeable(doubtful, vague, hesitant, changeable)
2
unsafe(adjective, loose, unreliable, variable)
2
unsound(adjective, bad, false, loose, unstable)
2
untrustworthy(adjective, weak, loose, uncertain, doubtful)
2
weak(adjective, uncertain, sensitive, unstable, doubtful)
1
any way the wind blows(expression, careless, unstable, unreasonable)
1
bubbleheaded(adjective, careless, lively, active)
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APASmart Define. (2016). erratic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/erratic/thesaurus/synonyms
ChicagoSmart Define. 2016. "erratic thesaurus" https://smartdefine.org/erratic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, erratic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/erratic/thesaurus/synonyms>.
MLASmart Define. "erratic thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/erratic/thesaurus/synonyms>