62 entries under secret topic. ×

1
buried(unknown, hidden, concealed, underhanded)
1
camouflaged(hidden, clandestine, underground, undisclosed)
1
cloaked(unknown, hidden, clandestine, concealed)
1
clouded(unknown, hidden, underground, concealed)
1
covered(unknown, hidden, underground, concealed)
1
cryptic(unknown, hidden, clandestine, concealed)
1
dissembled(hidden, clandestine, underground, undisclosed)
1
incognito(hidden, spy, clandestine, underground)
1
masked(unknown, hidden, concealed, underhanded)
1
obscure(unknown, hidden, underground, concealed)
1
on the QT(expression, adjective, idiom, dishonest, cunning)
1
recondite(unknown, hidden, underground, concealed)
1
shrouded(unknown, hidden, clandestine, concealed)
1
unknown(hidden, clandestine, underground, concealed)
0
creep(hidden, spy, covert)
0
intelligence(hidden, spy, covert)
0
obscured(hidden, clandestine, underground, concealed)
0
restricted(clandestine, underground, undisclosed, top-secret)
0
spy(hidden, covert)
0
top-secret(clandestine, underground, undisclosed)
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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>