55 entries under hidden topic. ×

1
under-the-table(secret, clandestine, sneaky, underhanded)
1
under wraps(expression, secret, clandestine, underhanded)
1
underground(secret, unknown, concealed, covert)
1
underhand(secret, clandestine, underground, sneaky)
1
underhanded(secret, clandestine, underground, sneaky)
1
undisclosed(obscure, unknown, imperceptible, concealed)
1
unsuspected(secret, clandestine, underground, underhanded)
0
creep(secret, covert)
0
hole-and-corner(secret, covert)
0
intelligence(secret, covert)
0
on the QT(expression, idiom, obscure, secret, unknown)
0
privy(secret, clandestine, underground, underhanded)
0
spy(secret, covert)
0
stealth(secret, covert)
0
underneath(secret, covert)
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APASmart Define. (2015). disguised thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/disguised/thesaurus/synonyms
ChicagoSmart Define. 2015. "disguised thesaurus" https://smartdefine.org/disguised/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, disguised thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/disguised/thesaurus/synonyms>.
MLASmart Define. "disguised thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/disguised/thesaurus/synonyms>