Synonyms|797Antonyms|170|Broader|4Narrower|1Related|1k

138 entries under unpredictable topic. ×

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bizarre(irregular, unreliable)
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brilliant(adjective, lively, changeable)
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devious(irregular, unreliable)
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dicey(irregular, unreliable)
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directionless(irregular, unreliable)
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elusive(impulsive, explosive)
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ephemeral(impulsive, explosive)
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fast-talking(adjective, lively, changeable)
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fleeting(impulsive, explosive)
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flippant(impulsive, explosive)
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fluctuant(irregular, unreliable)
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fugacious(impulsive, explosive)
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fugitive(impulsive, explosive)
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gaseous(impulsive, explosive)
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idiosyncratic(irregular, unreliable)
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impermanent(impulsive, explosive)
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imponderable(impulsive, explosive)
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incalculable(irregular, unreliable)
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intermittent(adjective, irregular, unreliable, changeable)
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meandering(irregular, unreliable)
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APASmart Define. (2015). mercurial thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/mercurial/thesaurus/synonyms
ChicagoSmart Define. 2015. "mercurial thesaurus" https://smartdefine.org/mercurial/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, mercurial thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mercurial/thesaurus/synonyms>.
MLASmart Define. "mercurial thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/mercurial/thesaurus/synonyms>