70 entries under clandestine topic. ×

2
under wraps(expression, secret, underground, undisclosed)
2
undisclosed
2
unrevealed(underground, undisclosed)
1
backstairs(underground, discreet, undisclosed)
1
dissembled(underground, discreet, undisclosed)
1
dissimulated(underground, discreet, undisclosed)
1
in ambush(expression, underground, discreet, undisclosed)
1
obscure(underground, undisclosed, provisional, restrictive)
1
secretive(underground, discreet, undisclosed)
1
sneak(underground, discreet, undisclosed)
1
sub-rosa(secret, underground, undisclosed, top-secret)
1
under-the-table(secret, underground, undisclosed, top-secret)
0
abstruse(modern, advanced, underground, undisclosed)
0
ambiguous(adjective, underground, undisclosed, surreptitious)
0
backdoor(underground, undisclosed)
0
camouflaged(underground, undisclosed)
0
cloak-and-dagger(secret, underground, undisclosed, top-secret)
0
closet(secret, underground, undisclosed, confidential)
0
clouded(underground, undisclosed)
0
conspiratorial(underground, undisclosed)
10 years ago|28k views|share |citing 
APASmart Define. (2016). restricted thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/restricted/thesaurus/synonyms
ChicagoSmart Define. 2016. "restricted thesaurus" https://smartdefine.org/restricted/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, restricted thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/restricted/thesaurus/synonyms>.
MLASmart Define. "restricted thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/restricted/thesaurus/synonyms>