19 entries under sensitive topic. ×
| secret(adjective, close, intimate, secret) | |
| top secret(noun, expression, adjective, idiom) | |
| under wraps(expression, idiom, secret, clandestine) | |
| privileged(adjective, show, secret, confidential) | |
| backdoor(obscure, intimate, secret, private) | |
| backstairs(clandestine, underground, undisclosed, sub-rosa) | |
| in ambush(expression, clandestine, underground, undisclosed) | |
| on the QT(expression, idiom, obscure, private) | |
| sub-rosa(secret, clandestine, underground, undisclosed) | |
| unacknowledged(clandestine, underground, undisclosed, sub-rosa) | |
| under-the-table(secret, clandestine, underground, undisclosed) | |
| under false pretense(expression, idiom, clandestine, underground) | |
| buttoned up(expression, adjective, restricted, sub-rosa) | |
| for eyes only(expression, idiom, sub-rosa) | |
| hidden away(expression, adjective, restricted, sub-rosa) | |
| kept concealed(expression, sub-rosa) | |
| not for publication(expression, idiom, secret, private) | |
| under the table(expression, idiom, confidential, sub-rosa) | |
| with a lid on(expression, idiom, sub-rosa) |
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| APA | Smart Define. (2015). classified thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/classified/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "classified thesaurus" https://smartdefine.org/classified/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, classified thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/classified/thesaurus/synonyms>. |
| MLA | Smart Define. "classified thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/classified/thesaurus/synonyms> |