72 entries under smooth topic. ×

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impish(mean, smart, cunning, clever)
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intriguing(mean, smart, cunning, clever)
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mean(cunning, knowing, sly, crafty)
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mischievous(mean, smart, cunning, clever)
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roguish(mean, cunning, knowing, sly)
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secret(mean, smart, cunning, clever)
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secretive(mean, sly)
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sneaking(mean, cunning, knowing, sly)
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surreptitious(mean, sly)
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traitorous(mean, cunning, knowing, sly)
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treacherous(mean, cunning, knowing, sly)
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unscrupulous(mean, cunning, knowing, sly)
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APASmart Define. (2015). ingenious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ingenious/thesaurus/synonyms
ChicagoSmart Define. 2015. "ingenious thesaurus" https://smartdefine.org/ingenious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, ingenious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ingenious/thesaurus/synonyms>.
MLASmart Define. "ingenious thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/ingenious/thesaurus/synonyms>