29 entries under hidden topic. ×

16
covert(adjective, quiet, secret, sly)
16
clandestine(adjective, quiet, dishonest, secret)
10
undercover(adjective, quiet, dishonest, secret)
9
concealed(adjective, dishonest, cunning, secret)
7
hush-hush(adjective, quiet, dishonest, secret)
6
private(adjective, quiet, secret, clandestine)
4
underground(adjective, secret, spy, clandestine)
3
confidential(adjective, secret, spy, clandestine)
3
hole-and-corner(secret, private, spy, sneaky)
2
buried(adjective, secret, clandestine, underground)
2
camouflaged(adjective, secret, clandestine, underground)
2
cloaked(adjective, secret, clandestine, concealed)
2
disguised(adjective, secret, clandestine, concealed)
2
masked(adjective, secret, concealed, sneaky)
2
obscured(adjective, secret, clandestine, underground)
2
on the sly(expression, idiom, secret, private)
2
under-the-table(adjective, secret, clandestine, sneaky)
2
under wraps(expression, adjective, quiet, dishonest, secret)
2
underneath(secret, spy, covert)
1
dissembled(secret, clandestine, underground, undisclosed)
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APASmart Define. (2015). stealthy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/stealthy/thesaurus/synonyms
ChicagoSmart Define. 2015. "stealthy thesaurus" https://smartdefine.org/stealthy/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, stealthy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/stealthy/thesaurus/synonyms>.
MLASmart Define. "stealthy thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/stealthy/thesaurus/synonyms>