9 entries under underground topic. ×

6
obscured(verb, adjective, secret, hidden)
3
hush-hush(adjective, secret, hidden, concealed)
1
dissembled(verb, secret, hidden, clandestine)
1
incog(secret, hidden, clandestine, underhanded)
1
sub rosa(expression, secret, clandestine, underhanded)
1
underhand(secret, hidden, clandestine, sneaky)
1
underhanded(secret, hidden, clandestine, sneaky)
1
unsuspected(secret, hidden, clandestine, underhanded)
0
privy(secret, hidden, clandestine, underhanded)
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APASmart Define. (2015). cloaked thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/cloaked/thesaurus/synonyms
ChicagoSmart Define. 2015. "cloaked thesaurus" https://smartdefine.org/cloaked/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, cloaked thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/cloaked/thesaurus/synonyms>.
MLASmart Define. "cloaked thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/cloaked/thesaurus/synonyms>