78 entries under clandestine topic. ×

5
covert(adjective, secret, private, hidden)
5
furtive(adjective, secret, private, hidden)
5
sub-rosa(adjective, sensitive, secret, private, hidden)
4
hush-hush(adjective, secret, private, hidden)
4
secret(adjective, sensitive, private, hidden)
4
surreptitious(adjective, secret, hidden, sneaky)
2
backstairs(sensitive, unknowing, underground, undisclosed)
2
privy(secret, hidden, underground, underhanded)
2
sly(secret, private, hidden, sneaky)
2
sneaky(secret, private, hidden, underground)
2
stealthy(secret, private, hidden, sneaky)
2
undercover(secret, private, hidden, sneaky)
2
underground(secret, undisclosed)
2
underhanded(secret, hidden, underground, sneaky)
1
QT(secret, hidden, unknowing, underground)
1
backdoor(sensitive, underground, undisclosed, sub-rosa)
1
camouflaged(secret, hidden, underground, undisclosed)
1
classified(sensitive, secret, underground, undisclosed)
1
cloaked(secret, hidden, sneaky, underhanded)
1
close(underground, undisclosed)
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APASmart Define. (2015). under-the-table thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/under-the-table/thesaurus/synonyms
ChicagoSmart Define. 2015. "under-the-table thesaurus" https://smartdefine.org/under-the-table/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, under-the-table thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/under-the-table/thesaurus/synonyms>.
MLASmart Define. "under-the-table thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/under-the-table/thesaurus/synonyms>