112 entries under adjective topic. ×

36
hidden(verb, show, obscure, dark)
36
secret(quiet, show, secret, hidden)
32
concealed(show, dark, secret, unknown)
23
clandestine(quiet, show, secret, hidden)
20
private(close, quiet, secret, hidden)
17
surreptitious(secret, hidden, sly, clandestine)
17
furtive(secret, reticent, unknown, sly)
15
hush-hush(show, informal, secret, hidden)
15
veiled(secret, unknown, hidden, clandestine)
15
undercover(show, secret, reticent, hidden)
14
stealthy(quiet, secret, hidden, sly)
11
latent(hidden, concealment, dormant, invisible)
11
ulterior(show, secret, hidden, clandestine)
11
underhand(mean, secret, hidden, sly)
10
disguised(secret, hidden, clandestine, imperceptible)
10
cover(noun, attack, obscure, protection)
10
invisible(hidden, unable, invisible, latent)
10
privy(obscure, dark, secret, hidden)
8
buried(show, obscure, secret, hidden)
8
camouflaged(obscure, secret, hidden, clandestine)
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APASmart Define. (2015). covert thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/covert/thesaurus/synonyms
ChicagoSmart Define. 2015. "covert thesaurus" https://smartdefine.org/covert/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, covert thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/covert/thesaurus/synonyms>.
MLASmart Define. "covert thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/covert/thesaurus/synonyms>