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8
secret(adjective, full, hidden, clandestine)
7
clandestine(adjective, full, secret, sly)
7
hush-hush(adjective, informal, full, secret)
7
undercover(adjective, full, secret, sly)
4
covert(adjective, full, secret, clandestine)
2
under wraps(expression, adjective, idiom, secret)
1
huggermugger(adjective, secret)
0
sub rosa
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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>