45 entries under covert topic. ×

18
secret(adjective, quiet, show, separate, dishonest)
12
surreptitious(adjective, dishonest, secret, hidden, sneaky)
11
confidential(adjective, show, separate, intimate, secret)
7
hidden(adjective, quiet, separate, reserved, secret)
6
hole-and-corner(adjective, secret, private, hidden, spy)
6
restricted(adjective, close, secret, hidden, clandestine)
6
stealthy(adjective, quiet, dishonest, secret, hidden)
5
underground(adjective, secret, hidden, spy, clandestine)
4
furtive(adjective, dishonest, secret, hidden, sneaky)
4
under-the-table(adjective, secret, private, hidden, clandestine)
2
cloaked(secret, hidden, underground, concealed, sneaky)
2
disguised(secret, hidden, clandestine, concealed, sneaky)
2
masked(secret, hidden, concealed, underhanded, covered)
2
secretive(adjective, quiet, dishonest, cunning, deceitful)
2
sub-rosa(adjective, dishonest, secret, clandestine, sneaky)
1
artful(sneaky, secretive)
1
buried(separate, secret, hidden, concealed, underhanded)
1
cautious(careful, vague, wary, ambiguous, equivocal)
1
circumspect(careful, vague, wary, ambiguous, equivocal)
1
conspiratorial(clandestine, underground, undisclosed, sneaky)
<123>
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APASmart Define. (2015). hush-hush thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hush-hush/thesaurus/synonyms
ChicagoSmart Define. 2015. "hush-hush thesaurus" https://smartdefine.org/hush-hush/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, hush-hush thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hush-hush/thesaurus/synonyms>.
MLASmart Define. "hush-hush thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/hush-hush/thesaurus/synonyms>