25 entries under hidden topic. ×

4
secret(adjective, spy, covert)
3
furtive(adjective, secret, spy, covert)
3
clandestine(adjective, secret, spy, covert)
2
stealthy(adjective, secret, spy, covert)
2
hole-and-corner(adjective, secret, spy, covert)
2
surreptitious(adjective, secret, spy, covert)
2
undercover(adjective, secret, spy, covert)
2
underhand(adjective, secret, spy, concealment)
1
confidential(adjective, secret, spy, covert)
1
covert(adjective, secret, spy)
1
creep(verb, secret, spy, covert)
1
incognito(secret, spy, concealment, covert)
1
on the QT(expression, idiom, secret, spy)
1
private(adjective, secret, spy, covert)
1
underground(adjective, secret, spy, covert)
0
buried(secret, covert)
0
concealed(secret, spy, covert)
0
disguised(secret, covert)
0
hush-hush(secret, spy, covert)
0
intelligence(secret, spy, covert)
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APASmart Define. (2015). stealth thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/stealth/thesaurus/synonyms
ChicagoSmart Define. 2015. "stealth thesaurus" https://smartdefine.org/stealth/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, stealth thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/stealth/thesaurus/synonyms>.
MLASmart Define. "stealth thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/stealth/thesaurus/synonyms>