25 entries under underhanded topic. ×

12
covert(adjective, show, obscure, secret, hidden)
6
secret(adjective, separate, unknown, hidden, concealed)
4
obscured(verb, adjective, show, obscure, secret)
4
ulterior(adjective, cover, show, obscure, secret)
4
cloaked(verb, adjective, secret, unknown, hidden)
4
masked(verb, adjective, secret, unknown, hidden)
4
privy(adjective, obscure, dark, secret, hidden)
4
shrouded(obscure, dark, secret, hidden, concealed)
3
camouflaged(verb, adjective, secret, hidden, concealed)
3
disguised(verb, adjective, secret, unknown, hidden)
3
undercover(secret, unknown, hidden, concealed, concealment)
3
veiled(adjective, secret, unknown, hidden, concealed)
2
hush-hush(adjective, separate, secret, hidden, concealed)
2
stealthy(adjective, secret, hidden, clandestine, underground)
1
QT(secret, unknown, hidden, concealed)
1
dissembled(verb, secret, hidden, clandestine, underground)
1
incog(secret, hidden, underground, covered)
1
incognito(secret, hidden, underground, covered)
1
private(secret, unknown, hidden, concealed)
1
surreptitious(secret, unknown, hidden, concealed)
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APASmart Define. (2016). buried thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/buried/thesaurus/synonyms
ChicagoSmart Define. 2016. "buried thesaurus" https://smartdefine.org/buried/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, buried thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/buried/thesaurus/synonyms>.
MLASmart Define. "buried thesaurus" 3 April 2016. Web. 26 September 2026. <https://smartdefine.org/buried/thesaurus/synonyms>