167 entries under unpredictable topic. ×

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airy(impulsive, explosive)
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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, variable, undependable, fly-by-night)
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delusive(adjective, variable, undependable, fly-by-night)
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disreputable(adjective, variable, undependable, fly-by-night)
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elusive(impulsive, explosive)
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erroneous(adjective, variable, undependable, fly-by-night)
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fake(adjective, variable, undependable, fly-by-night)
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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, variable, undependable, fly-by-night)
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gaseous(impulsive, explosive)
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hallucinatory(adjective, variable, undependable, fly-by-night)
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high-strung(unstable, unreliable, erratic)
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hollow(adjective, variable, undependable, fly-by-night)
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hot-blooded(adjective, moving, sensitive, impulsive)
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hot-tempered(impulsive, explosive)
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APASmart Define. (2016). fickle thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fickle/thesaurus/synonyms
ChicagoSmart Define. 2016. "fickle thesaurus" https://smartdefine.org/fickle/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, fickle thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fickle/thesaurus/synonyms>.
MLASmart Define. "fickle thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/fickle/thesaurus/synonyms>