43 entries under clandestine topic. ×

13
hidden(verb, adjective, adverb, humble, distant)
3
unintelligible(obscure, unknown, underground, undisclosed)
1
arcane(adjective, obscure, unknown, underground)
1
deep(obscure, unknown, underground, undisclosed)
1
hush-hush(secret, hidden, underground, undisclosed)
1
incognito(secret, hidden, underground, undisclosed)
1
out-of-the-way(obscure, unknown, underground, undisclosed)
1
reticent(obscure, unknown, underground, undisclosed)
1
retired(obscure, unknown, underground, undisclosed)
1
secretive(underground, undisclosed)
1
under wraps(expression, secret, hidden, underground)
0
ambiguous(obscure, unknown, underground, undisclosed)
0
backdoor(obscure, unknown, underground, undisclosed)
0
backstairs(underground, undisclosed)
0
classified(obscure, unknown, underground, undisclosed)
0
cloak-and-dagger(obscure, unknown, underground, undisclosed)
0
closet(obscure, unknown, underground, undisclosed)
0
confidential(underground, undisclosed)
0
conspiratorial(obscure, unknown, underground, undisclosed)
0
discreet(underground, undisclosed)
<123>
11 years ago|10k views|share |citing 
APASmart Define. (2015). unseen thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unseen/thesaurus/synonyms
ChicagoSmart Define. 2015. "unseen thesaurus" https://smartdefine.org/unseen/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unseen thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unseen/thesaurus/synonyms>.
MLASmart Define. "unseen thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/unseen/thesaurus/synonyms>