76 entries under obscure topic. ×

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cloak-and-dagger(unknown, clandestine, underground, unrevealed)
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cloak and dagger(expression, idiom, unknown, unrevealed)
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closet(unknown, personal, clandestine, underground)
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conspiratorial(unknown, clandestine, underground, unrevealed)
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cover
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enigmatical(unknown, clandestine, underground, unrevealed)
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equivocal(cover, dark, ulterior)
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furtive(unknown, clandestine, underground, unrevealed)
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guarded(cover, dark, equivocal, ulterior)
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implied(cover, dark, equivocal, ulterior)
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on the QT(expression, idiom, unknown, clandestine)
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privy(cover, dark, personal, equivocal)
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secondary(cover, dark, equivocal, ulterior)
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under cover(expression, cover, dark, equivocal)
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unenlightened(unknown, clandestine, underground, unrevealed)
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unfrequented(unknown, clandestine, underground, unrevealed)
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APASmart Define. (2015). undisclosed thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/undisclosed/thesaurus/synonyms
ChicagoSmart Define. 2015. "undisclosed thesaurus" https://smartdefine.org/undisclosed/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, undisclosed thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/undisclosed/thesaurus/synonyms>.
MLASmart Define. "undisclosed thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/undisclosed/thesaurus/synonyms>