26 entries under covert topic. ×

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obscured(secret, hidden)
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spy(secret, hidden)
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sub-rosa(secret, hidden, spy)
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under cover(expression, secret, spy)
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under wraps(expression, secret, hidden, spy)
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underneath(secret, hidden, spy)
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APASmart Define. (2015). stealth thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/stealth/thesaurus/synonyms
ChicagoSmart Define. 2015. "stealth thesaurus" https://smartdefine.org/stealth/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, stealth thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/stealth/thesaurus/synonyms>.
MLASmart Define. "stealth thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/stealth/thesaurus/synonyms>