52 entries under clandestine topic. ×

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deep(underground, undisclosed)
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enigmatical(underground, undisclosed)
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obscured(secret, hidden, underground, concealed)
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out-of-the-way(underground, undisclosed)
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restricted(secret, underground, undisclosed, top-secret)
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retired(underground, undisclosed)
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strange(underground, undisclosed)
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top-secret(secret, underground, undisclosed)
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unenlightened(underground, undisclosed)
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unfrequented(underground, undisclosed)
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unintelligible(underground, undisclosed)
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unpublished(underground, undisclosed)
<123>
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APASmart Define. (2015). surreptitious thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/surreptitious/thesaurus/synonyms
ChicagoSmart Define. 2015. "surreptitious thesaurus" https://smartdefine.org/surreptitious/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, surreptitious thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/surreptitious/thesaurus/synonyms>.
MLASmart Define. "surreptitious thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/surreptitious/thesaurus/synonyms>