Synonyms|540Antonyms|121|Broader|7Narrower|4Related|1.1k

53 entries under clandestine topic. ×

1
strange(obscure, unknown, underground, undisclosed)
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backdoor(obscure, unknown, underground, undisclosed)
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backstairs(underground, undisclosed)
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camouflaged(obscure, unknown, underground, undisclosed)
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classified(obscure, unknown, underground, undisclosed)
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cloak-and-dagger(obscure, unknown, underground, undisclosed)
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closet(obscure, unknown, underground, undisclosed)
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confidential(underground, undisclosed)
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conspiratorial(obscure, unknown, underground, undisclosed)
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discreet(underground, undisclosed)
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dissembled(underground, undisclosed)
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dissimulated(underground, undisclosed)
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hush-hush(underground, undisclosed)
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in ambush(expression, underground, undisclosed)
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incognito(underground, undisclosed)
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inside(underground, undisclosed)
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on the QT(expression, idiom, obscure, unknown)
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restricted(modern, advanced, underground, undisclosed)
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sly(underground, undisclosed)
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sneak(underground, undisclosed)
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APASmart Define. (2015). abstruse thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/abstruse/thesaurus/synonyms
ChicagoSmart Define. 2015. "abstruse thesaurus" https://smartdefine.org/abstruse/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, abstruse thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/abstruse/thesaurus/synonyms>.
MLASmart Define. "abstruse thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/abstruse/thesaurus/synonyms>