23 entries under expression topic. ×

4
under wraps(adjective, idiom, adverb, show)
2
on the QT(adjective, idiom, adverb, dishonest)
2
on the quiet(adjective, idiom, adverb, dishonest)
2
sub rosa(adjective, idiom, adverb, show)
2
top secret(underground, undisclosed)
1
by stealth(adverb, secretly, slyly, underhandedly)
1
hush hush
1
in camera(adverb, secretly, slyly, underhandedly)
1
in holes and corners(adjective, adverb, secret, sly)
1
in petto(idiom, concealment)
1
off the record(adjective, special, intimate, personal)
1
on the sly(adjective, idiom, adverb, secret)
1
under cover(adjective, secret, spy, covert)
0
behind closed doors
0
behind the scenes(special, intimate, personal, confidential)
0
cloak and dagger(idiom, quiet, intriguing)
0
communicated covertly
0
dirty dealing(dishonest, deceitful, underhanded)
0
in ambush(underground, undisclosed)
0
in secret
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APASmart Define. (2015). clandestine thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/clandestine/thesaurus/synonyms
ChicagoSmart Define. 2015. "clandestine thesaurus" https://smartdefine.org/clandestine/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, clandestine thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/clandestine/thesaurus/synonyms>.
MLASmart Define. "clandestine thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/clandestine/thesaurus/synonyms>