65 entries under private topic. ×

7
confidential(adjective, close, quiet, separate, secret)
5
quiet(adjective, close, isolated, secluded)
5
backstairs(adjective, mysterious, reticent, taciturn)
5
sneaking(adjective, mean, smooth, cunning)
5
under-the-table(adjective, secret, hidden, clandestine)
4
hole-and-corner(secret, hidden, spy, sneaky)
4
secluded(adjective, close, quiet, unknown)
4
skulking(adjective, secret, hidden, sneaky)
2
closet(adjective, close, quiet, secret)
2
feline(mysterious, reticent, taciturn, uncommunicative)
2
incommunicado(close, quiet, isolated, secluded)
2
reticent(mysterious, taciturn, clandestine, underground)
2
secluse(close, quiet, isolated, secluded)
2
sequestered(close, quiet, unknown, hidden)
2
sheltered(close, quiet, isolated, cloistered)
2
slinking(secret, hidden, sneaky, secretive)
2
sub-rosa(secret, hidden, spy, clandestine)
1
abandoned(close, quiet, isolated, secluded)
1
aloof(close, quiet, isolated, secluded)
1
beleaguered(close, quiet, isolated, secluded)
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APASmart Define. (2015). covert thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/covert/thesaurus/synonyms
ChicagoSmart Define. 2015. "covert thesaurus" https://smartdefine.org/covert/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, covert thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/covert/thesaurus/synonyms>.
MLASmart Define. "covert thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/covert/thesaurus/synonyms>