24 entries under secretly topic. ×

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clandestine(underhandedly, surreptitiously)
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under wraps(expression, clandestine, underhandedly, surreptitiously)
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undercover(clandestine, underhandedly, surreptitiously)
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wildcat(clandestine, underhandedly, surreptitiously)
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APASmart Define. (2015). slyly thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/slyly/thesaurus/synonyms
ChicagoSmart Define. 2015. "slyly thesaurus" https://smartdefine.org/slyly/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, slyly thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/slyly/thesaurus/synonyms>.
MLASmart Define. "slyly thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/slyly/thesaurus/synonyms>