9
screen(noun, cover, protection, shelter, shed)
9
shelter(noun, cover, attack, protection, screen)
8
buried(adjective, show, obscure, secret, hidden)
8
camouflaged(adjective, obscure, secret, hidden, clandestine)
8
cloaked(adjective, obscure, secret, unknown, hidden)
8
copse(noun, thicket)
8
masked(adjective, secret, hidden, clandestine, imperceptible)
8
underground(adjective, secret, unknown, hidden, concealed)
8
unrevealed(adjective, obscure, secret, unknown, hidden)
7
confidential(adjective, close, quiet, separate, secret)
7
cryptic(adjective, obscure, dark, secret, reticent)
7
den(noun, break, place, cut, cover)
7
mysterious(adjective, quiet, strange, secret, hidden)
7
obscured(adjective, show, secret, hidden, clandestine)
7
retreat(noun, cover, attack, peace, protection)
7
secretive(adjective, mean, smooth, secret, clandestine)
7
undisclosed(adjective, obscure, dark, hidden, imperceptible)
6
concealment(noun, protection, screen, shelter)
6
implicit(adjective, latency implication)
5
hugger-mugger(adjective, quiet, intriguing)
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APASmart Define. (2015). covert thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/covert/thesaurus/synonyms
ChicagoSmart Define. 2015. "covert thesaurus" https://smartdefine.org/covert/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, covert thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/covert/thesaurus/synonyms>.
MLASmart Define. "covert thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/covert/thesaurus/synonyms>