1
cloaked(secret, unknown, hidden, clandestine, concealed)
1
close as wax(expression, idiom, concealment)
1
clouded(secret, unknown, hidden, underground, concealed)
1
communicated covertly(expression, idiom)
1
concealment
1
confidentiality
1
covered(secret, unknown, hidden, underground, concealed)
1
crooked(mean, smooth, dishonest, cunning, deceitful)
1
cryptic(secret, unknown, hidden, clandestine, concealed)
1
darkness
1
discreet(clandestine, underground, undisclosed)
1
dissembled(secret, hidden, clandestine, underground, undisclosed)
1
dissimulated(clandestine, underground, undisclosed)
1
duplicitous(dishonest, cunning, deceitful, tricky, sly)
1
ficuntrue
1
fornicator
1
implied
1
importation
1
incognito(secret, hidden, spy, clandestine, underground)
1
insincere
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APASmart Define. (2015). surreptitious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/surreptitious/thesaurus/synonyms
ChicagoSmart Define. 2015. "surreptitious thesaurus" https://smartdefine.org/surreptitious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, surreptitious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/surreptitious/thesaurus/synonyms>.
MLASmart Define. "surreptitious thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/surreptitious/thesaurus/synonyms>