19 entries under sensitive topic. ×

10
secret(adjective, close, intimate, secret)
4
top secret(noun, expression, adjective, idiom)
3
under wraps(expression, idiom, secret, clandestine)
2
privileged(adjective, show, secret, confidential)
1
backdoor(obscure, intimate, secret, private)
1
backstairs(clandestine, underground, undisclosed, sub-rosa)
1
in ambush(expression, clandestine, underground, undisclosed)
1
on the QT(expression, idiom, obscure, private)
1
sub-rosa(secret, clandestine, underground, undisclosed)
1
unacknowledged(clandestine, underground, undisclosed, sub-rosa)
1
under-the-table(secret, clandestine, underground, undisclosed)
1
under false pretense(expression, idiom, clandestine, underground)
0
buttoned up(expression, adjective, restricted, sub-rosa)
0
for eyes only(expression, idiom, sub-rosa)
0
hidden away(expression, adjective, restricted, sub-rosa)
0
kept concealed(expression, sub-rosa)
0
not for publication(expression, idiom, secret, private)
0
under the table(expression, idiom, confidential, sub-rosa)
0
with a lid on(expression, idiom, sub-rosa)
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APASmart Define. (2015). classified thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/classified/thesaurus/synonyms
ChicagoSmart Define. 2015. "classified thesaurus" https://smartdefine.org/classified/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, classified thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/classified/thesaurus/synonyms>.
MLASmart Define. "classified thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/classified/thesaurus/synonyms>