30 entries under covert topic. ×

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scheming(sneaky, secretive)
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secretive
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shifty(sneaky, secretive)
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skulking(sneaky, secretive)
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slinking(sneaky, secretive)
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sly(sneaky, secretive)
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sneaky
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sub-rosa(sneaky, secretive)
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tricky(sneaky, secretive)
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wily(sneaky, secretive)
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APASmart Define. (2015). masked thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/masked/thesaurus/synonyms
ChicagoSmart Define. 2015. "masked thesaurus" https://smartdefine.org/masked/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, masked thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/masked/thesaurus/synonyms>.
MLASmart Define. "masked thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/masked/thesaurus/synonyms>