24 entries under secret topic. ×

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under wraps(expression, private, hidden, sneaky)
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undercover(private, hidden, sneaky, covert)
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underhand(private, hidden, sneaky, covert)
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veiled(private, hidden, sneaky, covert)
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APASmart Define. (2015). unauthorized thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unauthorized/thesaurus/synonyms
ChicagoSmart Define. 2015. "unauthorized thesaurus" https://smartdefine.org/unauthorized/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unauthorized thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unauthorized/thesaurus/synonyms>.
MLASmart Define. "unauthorized thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/unauthorized/thesaurus/synonyms>