72 entries under secret topic. ×

36
hidden(verb, adjective, show, obscure, dark)
36
secret(adjective, quiet, show, hidden)
32
concealed(adjective, show, dark, unknown)
23
clandestine(adjective, quiet, show, hidden)
20
private(adjective, close, quiet, hidden)
17
surreptitious(adjective, hidden, sly, clandestine)
17
furtive(adjective, reticent, unknown, sly)
15
hush-hush(adjective, show, informal, hidden)
15
veiled(adjective, unknown, hidden, clandestine)
15
undercover(adjective, show, reticent, hidden)
14
stealthy(adjective, quiet, hidden, sly)
11
ulterior(adjective, show, hidden, clandestine)
11
underhand(adjective, mean, hidden, sly)
10
disguised(adjective, hidden, clandestine, imperceptible)
10
privy(adjective, obscure, dark, hidden)
8
buried(adjective, show, obscure, hidden)
8
camouflaged(adjective, obscure, hidden, clandestine)
8
cloaked(adjective, obscure, unknown, hidden)
8
masked(adjective, hidden, clandestine, imperceptible)
8
underground(adjective, unknown, hidden, concealed)
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APASmart Define. (2015). covert thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/covert/thesaurus/synonyms
ChicagoSmart Define. 2015. "covert thesaurus" https://smartdefine.org/covert/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, covert thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/covert/thesaurus/synonyms>.
MLASmart Define. "covert thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/covert/thesaurus/synonyms>