26 entries under secret topic. ×

3
furtive(adjective, hidden, spy, covert)
3
clandestine(adjective, hidden, spy, covert)
2
stealthy(adjective, hidden, spy, covert)
2
hidden(spy, covert)
2
hole-and-corner(adjective, hidden, spy, covert)
2
surreptitious(adjective, hidden, spy, covert)
2
undercover(adjective, hidden, spy, covert)
2
underhand(adjective, hidden, spy, concealment)
1
confidential(adjective, hidden, spy, covert)
1
covert(adjective, hidden, spy)
1
creep(verb, hidden, spy, covert)
1
incognito(hidden, spy, concealment, covert)
1
on the QT(expression, idiom, hidden, spy)
1
private(adjective, hidden, spy, covert)
1
underground(adjective, hidden, spy, covert)
0
buried(hidden, covert)
0
concealed(hidden, spy, covert)
0
disguised(hidden, covert)
0
hush-hush(hidden, spy, covert)
0
intelligence(hidden, spy, covert)
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APASmart Define. (2015). stealth thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stealth/thesaurus/synonyms
ChicagoSmart Define. 2015. "stealth thesaurus" https://smartdefine.org/stealth/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, stealth thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stealth/thesaurus/synonyms>.
MLASmart Define. "stealth thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/stealth/thesaurus/synonyms>