47 entries under clandestine topic. ×
| backstairs(underground, undisclosed) | |
| camouflaged(obscure, underground, undisclosed, unrevealed) | |
| classified(obscure, underground, undisclosed, unrevealed) | |
| cloak-and-dagger(obscure, underground, undisclosed, unrevealed) | |
| closet(obscure, underground, undisclosed, unrevealed) | |
| confidential(underground, undisclosed) | |
| conspiratorial(obscure, underground, undisclosed, unrevealed) | |
| discreet(underground, undisclosed) | |
| dissembled(underground, undisclosed) | |
| dissimulated(underground, undisclosed) | |
| hush-hush(underground, undisclosed) | |
| in ambush(expression, underground, undisclosed) | |
| inside(underground, undisclosed) | |
| on the QT(expression, idiom, obscure, underground) | |
| restricted(underground, undisclosed) | |
| sly(underground, undisclosed) | |
| sneak(underground, undisclosed) | |
| sneaky(underground, undisclosed) | |
| stealthy(underground, undisclosed) | |
| top-secret(underground, undisclosed) |
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| APA | Smart Define. (2015). unknown thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unknown/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unknown thesaurus" https://smartdefine.org/unknown/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, unknown thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unknown/thesaurus/synonyms>. |
| MLA | Smart Define. "unknown thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/unknown/thesaurus/synonyms> |