59 entries under secret topic. ×

5
restricted(adjective, close, show, private)
4
exclusive(adjective, special, intimate, private)
4
surreptitious(adjective, hidden, spy, clandestine)
3
concealed(adjective, separate, hidden, spy)
3
furtive(adjective, hidden, spy, clandestine)
3
hushed(adjective, special, intimate, private)
3
stealthy(adjective, hidden, spy, clandestine)
2
backdoor(adjective, intimate, private, clandestine)
2
quiet(adjective, close, shy, remote, reserved)
2
unofficial(adjective, adverb, sensitive, special, intimate)
1
disguised(hidden, clandestine, underground, undisclosed)
1
incognito(adverb, restricted, hidden, spy)
1
on the QT(expression, idiom, adverb, sensitive)
1
shrouded(adjective, separate, clandestine, underground)
1
sub-rosa(hidden, spy, clandestine, underground)
1
top secret(expression, adjective, idiom, private)
1
under-the-table(clandestine, underground, undisclosed, top-secret)
1
under cover(expression, adjective, spy, covert)
1
underhand(hidden, spy, clandestine, underground)
0
buried(separate, hidden, covert)
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APASmart Define. (2015). confidential thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/confidential/thesaurus/synonyms
ChicagoSmart Define. 2015. "confidential thesaurus" https://smartdefine.org/confidential/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, confidential thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/confidential/thesaurus/synonyms>.
MLASmart Define. "confidential thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/confidential/thesaurus/synonyms>