35 entries under covert topic. ×

22
sly(adjective, quiet, dishonest, cunning, clever)
16
clandestine(adjective, quiet, dishonest, secret, hidden)
10
hidden(verb, adjective, cunning, secret, private)
10
undercover(adjective, quiet, dishonest, secret, hidden)
8
skulking(adjective, quiet, secret, private, concealment)
7
hush-hush(adjective, quiet, dishonest, secret, hidden)
6
private(adjective, quiet, secret, hidden, clandestine)
4
artful(adjective, mean, smooth, cunning, sly)
4
underground(adjective, secret, hidden, spy, clandestine)
3
confidential(adjective, secret, hidden, spy, clandestine)
3
evasive(adjective, cunning, concealment, sneaky)
3
foxy(adjective, mean, smooth, false, sly)
3
hole-and-corner(secret, private, hidden, spy, sneaky)
3
slinking(adjective, quiet, secret, private, sneaky)
3
under cover(expression, idiom, secret, spy)
2
buried(adjective, secret, hidden, clandestine, underground)
2
circumspect(adjective, caution, sneaky, secretive)
2
cloaked(adjective, secret, hidden, clandestine, concealed)
2
disguised(adjective, secret, hidden, clandestine, concealed)
2
masked(adjective, secret, hidden, concealed, sneaky)
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APASmart Define. (2015). stealthy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/stealthy/thesaurus/synonyms
ChicagoSmart Define. 2015. "stealthy thesaurus" https://smartdefine.org/stealthy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, stealthy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/stealthy/thesaurus/synonyms>.
MLASmart Define. "stealthy thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/stealthy/thesaurus/synonyms>