95 entries under expression topic. ×

1
skeleton in cupboard(noun, idiom, confidence, perplexity)
1
tough nut to crack(idiom, question, puzzle, mystery)
1
tucked away(close, quiet, private, hidden)
1
under an eclipse
1
under false pretense(adjective, idiom, sensitive, clandestine)
1
under house arrest
1
under one's hat(idiom, adverb)
1
under the table(adjective, sensitive, hidden, clandestine)
1
wide of(obscure, remote, faraway, far-off)
1
winked at(unseen, ignored, undiscovered, overlooked)
1
wrapped in clouds
0
cut off(close, quiet, remote, private)
0
inside information(noun, idiom, information)
0
passed by(unseen, ignored, undiscovered, overlooked)
0
buttoned up(adverb, sensitive, reticent, tight-lipped)
0
buttoning up(adjective, quiet, reserved, private)
0
causing dejection
0
clamming up(adjective, quiet, reserved, private)
0
classified material
0
cloak and dagger(idiom, quiet, intriguing)
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APASmart Define. (2016). secret thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/secret/thesaurus/synonyms
ChicagoSmart Define. 2016. "secret thesaurus" https://smartdefine.org/secret/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, secret thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/secret/thesaurus/synonyms>.
MLASmart Define. "secret thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/secret/thesaurus/synonyms>