180 entries under unpredictable topic. ×

1
stray(irregular, unreliable, erratic, frivolous)
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active(lively, changeable)
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airy(impulsive, explosive)
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as mad as a march hare(expression, idiom, unreliable, fickle)
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brilliant(lively, changeable)
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bum(loose, unreliable, variable, irresponsible)
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buoyant(lively, impulsive, changeable, explosive)
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deceptive(adjective, fickle, variable, undependable)
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disreputable(adjective, easy, fickle, variable)
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elastic(lively, impulsive, changeable, temperamental)
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elusive(impulsive, explosive)
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emotional(unstable, unreliable, fickle, erratic)
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erroneous(adjective, fickle, variable, undependable)
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expansive(lively, impulsive, changeable, temperamental)
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fake(adjective, fickle, variable, undependable)
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fallible(adjective, fickle, variable, undependable)
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fast-talking(lively, changeable)
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flip(lively, changeable)
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flippant(impulsive, explosive)
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furtive(adjective, fickle, variable, undependable)
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APASmart Define. (2015). capricious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/capricious/thesaurus/synonyms
ChicagoSmart Define. 2015. "capricious thesaurus" https://smartdefine.org/capricious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, capricious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/capricious/thesaurus/synonyms>.
MLASmart Define. "capricious thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/capricious/thesaurus/synonyms>