0
topsy-turvy
0
unacknowledged(clandestine, underground, undisclosed)
0
unavowed
0
under-the-table(secret, clandestine, underground, undisclosed, top-secret)
0
under cover(expression, sly, fraudulent)
0
under false pretense(expression, idiom, clandestine, underground, undisclosed)
0
underhanded(clandestine, underground, undisclosed)
0
undisclosed(obscure, unknown, clandestine, underground, unrevealed)
0
unenlightened(obscure, unknown, clandestine, underground, undisclosed)
0
unfrequented(obscure, unknown, clandestine, underground, undisclosed)
0
unintelligible(obscure, unknown, clandestine, underground, undisclosed)
0
unknown(obscure, clandestine, underground, undisclosed, unrevealed)
0
unpublished(obscure, unknown, clandestine, underground, undisclosed)
0
unrevealed(obscure, unknown, clandestine, underground, undisclosed)
0
unseen(obscure, unknown, clandestine, underground, undisclosed)
0
veiled(obscure, unknown, clandestine, underground, undisclosed)
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APASmart Define. (2015). cloak-and-dagger thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/cloak-and-dagger/thesaurus/synonyms
ChicagoSmart Define. 2015. "cloak-and-dagger thesaurus" https://smartdefine.org/cloak-and-dagger/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, cloak-and-dagger thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/cloak-and-dagger/thesaurus/synonyms>.
MLASmart Define. "cloak-and-dagger thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/cloak-and-dagger/thesaurus/synonyms>