24 entries under expression topic. ×

4
top secret(noun, adjective, idiom, sensitive)
3
under wraps(idiom, sensitive, secret, clandestine)
2
off the record(adjective, idiom, intimate, private)
1
in ambush(sensitive, clandestine, underground, undisclosed)
1
on the QT(idiom, obscure, sensitive, private)
1
under false pretense(idiom, sensitive, clandestine, underground)
0
behind the scenes(idiom, personal, confidential, hush-hush)
0
buttoned up(adjective, sensitive, restricted, sub-rosa)
0
cloak and dagger(idiom, obscure, unknown, unrevealed)
0
for eyes only(idiom, sensitive, sub-rosa)
0
hidden away(adjective, sensitive, restricted, sub-rosa)
0
highly classified
0
hush hush
0
in private(secret, private, confidential)
0
kept concealed(sensitive, sub-rosa)
0
made orderly
0
not for publication(idiom, sensitive, secret, private)
0
not open(personal, confidential, hush-hush)
0
not public(secret, private, confidential)
0
put in order
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APASmart Define. (2015). classified thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/classified/thesaurus/synonyms
ChicagoSmart Define. 2015. "classified thesaurus" https://smartdefine.org/classified/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, classified thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/classified/thesaurus/synonyms>.
MLASmart Define. "classified thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/classified/thesaurus/synonyms>