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