62 entries under clandestine topic. ×

1
conspiratorial(adjective, underground, undisclosed, sneaky)
1
cryptic(dishonest, unreliable, untrustworthy, underground)
1
discreet(smart, wise, considerate, clever, subtle)
1
disguised(underground, undisclosed, sneaky, covert)
1
dissembled(underground, undisclosed)
1
dissimulated(underground, undisclosed)
1
hush-hush(quiet, dishonest, secret, sneaky)
1
in ambush(expression, underground, undisclosed)
1
incognito(underground, undisclosed)
1
inside(sharp, smart, intelligent, clever, astute)
1
sub-rosa(dishonest, secret, sneaky, covert)
1
top secret(expression, underground, undisclosed)
1
unacknowledged(underground, undisclosed)
1
under false pretense(expression, idiom, underground, undisclosed)
1
veiled(adjective, secret, private, hidden)
0
abstruse(underground, undisclosed)
0
arcane(adjective, sharp, underground, ironic)
0
clouded(underground, undisclosed)
0
covered(underground, undisclosed)
0
enigmatical(underground, undisclosed)
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APASmart Define. (2016). sly thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sly/thesaurus/synonyms
ChicagoSmart Define. 2016. "sly thesaurus" https://smartdefine.org/sly/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sly thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sly/thesaurus/synonyms>.
MLASmart Define. "sly thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/sly/thesaurus/synonyms>