64 entries under clandestine topic. ×
| secretive(adjective, restricted, underground, discreet) | |
| underhanded(underground, undisclosed) | |
| camouflaged(underground, undisclosed) | |
| cryptic(underground, undisclosed) | |
| discreet(special, intimate, restricted, personal) | |
| disguised(secret, hidden, underground, undisclosed) | |
| dissembled(restricted, underground, discreet, undisclosed) | |
| dissimulated(restricted, underground, discreet, undisclosed) | |
| in ambush(expression, restricted, underground, discreet) | |
| incognito(adverb, secret, restricted, hidden, spy) | |
| mystical(adjective, underground, undisclosed) | |
| out-of-the-way(close, quiet, private, isolated) | |
| secluded(close, quiet, private, isolated, personal) | |
| shrouded(adjective, separate, secret, underground) | |
| sly(underground, undisclosed) | |
| sneak(restricted, underground, discreet, undisclosed) | |
| sneaky(underground, undisclosed) | |
| sub-rosa(secret, hidden, spy, underground) | |
| top secret(expression, adjective, idiom, secret, private) | |
| under-the-table(secret, underground, undisclosed, top-secret) |
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| APA | Smart Define. (2015). confidential thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/confidential/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "confidential thesaurus" https://smartdefine.org/confidential/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, confidential thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/confidential/thesaurus/synonyms>. |
| MLA | Smart Define. "confidential thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/confidential/thesaurus/synonyms> |