72 entries under unpredictable topic. ×

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buoyant(casual, unconcerned, impulsive, nonchalant)
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devious(irregular, unreliable)
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directionless(irregular, unreliable)
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dubious(irregular, unreliable, risky, hazardous)
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elastic(casual, unconcerned, impulsive, nonchalant)
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elusive(impulsive, explosive)
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ephemeral(impulsive, explosive)
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expansive(impulsive, explosive)
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explosive
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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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hot-blooded(impulsive, explosive)
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hot-tempered(impulsive, explosive)
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impermanent(impulsive, explosive)
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imponderable(impulsive, explosive)
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intermittent(irregular, unreliable)
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meandering(irregular, unreliable)
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momentary(impulsive, explosive)
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nomadic(irregular, unreliable)
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APASmart Define. (2016). whimsical thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/whimsical/thesaurus/synonyms
ChicagoSmart Define. 2016. "whimsical thesaurus" https://smartdefine.org/whimsical/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, whimsical thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/whimsical/thesaurus/synonyms>.
MLASmart Define. "whimsical thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/whimsical/thesaurus/synonyms>