21 entries under underhanded topic. ×

1
buried(adjective, obscure, dark, secret, unknown)
1
clandestine(adjective, obscure, dark, secret, unknown)
1
cloaked(secret, unknown, hidden, clandestine, concealed)
1
disguised(secret, unknown, hidden, clandestine, concealed)
1
dissembled(secret, hidden, clandestine, underground)
1
hidden(adjective, secret, unknown, isolated, concealed)
1
incog(secret, hidden, clandestine, underground)
1
masked(secret, unknown, hidden, concealed)
1
obscured(secret, hidden, clandestine, underground, concealed)
1
private(secret, unknown, isolated, hidden, clandestine)
1
sub rosa(expression, secret, clandestine, underground)
1
ulterior(secret, unknown, hidden, concealed)
1
under-the-table(secret, hidden, unknowing, clandestine, underground)
1
unsuspected(secret, hidden, clandestine, underground)
1
veiled(secret, unknown, hidden, concealed)
0
camouflaged(secret, hidden, clandestine, underground)
0
covert(adjective, clandestine)
0
privy(secret, hidden, clandestine, underground)
0
shrouded(adjective, obscure, dark, unknown, hidden)
0
under cover(expression, adjective, isolated, unknowing)
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APASmart Define. (2011). qt thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/qt/thesaurus/synonyms
ChicagoSmart Define. 2011. "qt thesaurus" https://smartdefine.org/qt/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2011, qt thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/qt/thesaurus/synonyms>.
MLASmart Define. "qt thesaurus" 23 May 2011. Web. 25 September 2026. <https://smartdefine.org/qt/thesaurus/synonyms>