64 entries under clandestine topic. ×
| secret(adjective, show, private, mental) | |
| confidential(adjective, show, intimate, secret, private) | |
| restricted(adjective, secret, private, underground) | |
| classified(adjective, intimate, secret, private, personal) | |
| hush-hush(adjective, show, informal, special, intimate) | |
| deep(noun, adjective, keen, sharp, smart) | |
| backdoor(close, intimate, secret, private) | |
| backstairs(close, restricted, underground, discreet) | |
| camouflaged(close, underground, undisclosed, furtive) | |
| close(intimate, private, underground, central) | |
| covert(underground, undisclosed) | |
| cryptic(adjective, close, underground, undisclosed) | |
| discreet(close, special, intimate, restricted, personal) | |
| disguised(underground, undisclosed) | |
| dissembled(close, restricted, underground, discreet) | |
| dissimulated(close, restricted, underground, discreet) | |
| furtive(close, underground, undisclosed) | |
| in ambush(expression, close, restricted, underground) | |
| incognito(close, restricted, underground, discreet) | |
| mysterious(underground, undisclosed) |
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| APA | Smart Define. (2015). inside thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/inside/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "inside thesaurus" https://smartdefine.org/inside/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, inside thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/inside/thesaurus/synonyms>. |
| MLA | Smart Define. "inside thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/inside/thesaurus/synonyms> |