53 entries under undisclosed topic. ×

30
secret(adjective, adverb, close, quiet, show)
29
private(adjective, adverb, close, quiet, show)
14
classified(adjective, close, show, intimate, secret)
10
hush-hush(adjective, show, separate, informal, intimate)
10
close(adjective, quiet, easy, friendly, warm)
7
esoteric(adjective, secret, private, clandestine, underground)
5
restricted(adjective, close, show, secret, private)
3
stealthy(adjective, secret, hidden, spy, clandestine)
2
backdoor(adjective, intimate, secret, private, clandestine)
2
backstairs(restricted, clandestine, underground, discreet)
2
mystic(clandestine, underground)
2
occult(noun, clandestine, underground)
2
reticent(clandestine, underground)
2
secretive(adjective, restricted, clandestine, underground, discreet)
2
underhanded(clandestine, underground)
1
camouflaged(clandestine, underground)
1
cryptic(clandestine, underground)
1
discreet(special, intimate, restricted, personal, clandestine)
1
disguised(secret, hidden, clandestine, underground)
1
dissembled(restricted, clandestine, underground, discreet)
<123>
11 years ago|7.9k views|share |citing 
APASmart Define. (2015). confidential thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/confidential/thesaurus/synonyms
ChicagoSmart Define. 2015. "confidential thesaurus" https://smartdefine.org/confidential/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, confidential thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/confidential/thesaurus/synonyms>.
MLASmart Define. "confidential thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/confidential/thesaurus/synonyms>