68 entries under clandestine topic. ×

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ambiguous(underground, undisclosed)
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cloak-and-dagger(underground, undisclosed)
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clouded(underground, undisclosed)
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conspiratorial(underground, undisclosed)
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covered(underground, undisclosed)
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deep(underground, undisclosed)
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enigmatical(underground, undisclosed)
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esoteric(underground, undisclosed)
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mystic(underground, undisclosed)
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mystical(underground, undisclosed)
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obscure(underground, undisclosed)
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out-of-the-way(underground, undisclosed)
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recondite(underground, undisclosed)
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retired(underground, undisclosed)
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secluded(underground, undisclosed)
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shrouded(unknowing, underground, undisclosed, hermetical)
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strange(underground, undisclosed)
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top-secret(underground, undisclosed)
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under wraps(expression, sensitive, underground, undisclosed)
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undisclosed
11 years ago|1.3k views|share |citing 
APASmart Define. (2015). backstairs thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/backstairs/thesaurus/synonyms
ChicagoSmart Define. 2015. "backstairs thesaurus" https://smartdefine.org/backstairs/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, backstairs thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/backstairs/thesaurus/synonyms>.
MLASmart Define. "backstairs thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/backstairs/thesaurus/synonyms>