59 entries under secret topic. ×
| restricted(adjective, close, show, private) | |
| exclusive(adjective, special, intimate, private) | |
| surreptitious(adjective, hidden, spy, clandestine) | |
| concealed(adjective, separate, hidden, spy) | |
| furtive(adjective, hidden, spy, clandestine) | |
| hushed(adjective, special, intimate, private) | |
| stealthy(adjective, hidden, spy, clandestine) | |
| backdoor(adjective, intimate, private, clandestine) | |
| quiet(adjective, close, shy, remote, reserved) | |
| unofficial(adjective, adverb, sensitive, special, intimate) | |
| disguised(hidden, clandestine, underground, undisclosed) | |
| incognito(adverb, restricted, hidden, spy) | |
| on the QT(expression, idiom, adverb, sensitive) | |
| shrouded(adjective, separate, clandestine, underground) | |
| sub-rosa(hidden, spy, clandestine, underground) | |
| top secret(expression, adjective, idiom, private) | |
| under-the-table(clandestine, underground, undisclosed, top-secret) | |
| under cover(expression, adjective, spy, covert) | |
| underhand(hidden, spy, clandestine, underground) | |
| buried(separate, hidden, covert) |
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| APA | Smart Define. (2015). confidential thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/confidential/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "confidential thesaurus" https://smartdefine.org/confidential/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, confidential thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/confidential/thesaurus/synonyms>. |
| MLA | Smart Define. "confidential thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/confidential/thesaurus/synonyms> |