63 entries under clandestine topic. ×

13
unknown(noun, adjective, obscure, dark, superior)
13
deep(adjective, evil, obscure, humble, thoughtful)
13
secluded(adjective, close, quiet, show, obscure)
12
furtive(adjective, dishonest, deceitful, hidden, sly)
12
obscure(adjective, quiet, dark, superior, strange)
11
classified(adjective, close, sensitive, intimate, private)
10
underhand(adjective, dishonest, deceitful, hidden, sly)
10
abstruse(adjective, evil, obscure, dark, strange)
10
close(adjective, quiet, humble, shy, distant)
10
secretive(adjective, quiet, mean, smooth, obscure)
10
sneaky(adjective, close, latent, underhand)
9
disguised(adjective, obscure, unknown, hidden)
9
restricted(adjective, close, private, hidden)
9
veiled(adjective, hidden, concealed, covered)
8
camouflaged(adjective, obscure, hidden, concealed)
8
sly(adjective, quiet, dishonest, deceitful, clever)
7
cloak-and-dagger(adjective, show, full, hidden)
7
underhanded(adjective, dishonest, cunning, deceitful)
6
shrouded(adjective, separate, obscure, hidden)
6
unpublished(adjective, hidden, underground, undisclosed)
10 years ago|28k views|share |citing 
APASmart Define. (2016). secret thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/secret/thesaurus/synonyms
ChicagoSmart Define. 2016. "secret thesaurus" https://smartdefine.org/secret/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, secret thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/secret/thesaurus/synonyms>.
MLASmart Define. "secret thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/secret/thesaurus/synonyms>