61 entries under clandestine topic. ×
| restricted(adjective, underground, undisclosed, surreptitious) | |
| retired(obscure, deep, unknown, underground) | |
| secluded(obscure, unknown, underground, undisclosed) | |
| secretive(underground, undisclosed) | |
| sneak(underground, undisclosed) | |
| stealthy(underground, undisclosed) | |
| sub-rosa(underground, undisclosed) | |
| surreptitious(underground, undisclosed) | |
| top-secret(underground, undisclosed) | |
| top secret(expression, underground, undisclosed) | |
| unacknowledged(underground, undisclosed) | |
| under-the-table(underground, undisclosed) | |
| under false pretense(expression, idiom, underground, undisclosed) | |
| undercover(underground, undisclosed) | |
| underground(obscure, unknown, undisclosed, unrevealed) | |
| underhanded(adjective, false, misleading, underground) | |
| unenlightened(obscure, deep, unknown, underground) | |
| unfrequented(obscure, deep, unknown, underground) | |
| unpublished(obscure, deep, unknown, underground) | |
| unrevealed(obscure, unknown, underground, undisclosed) |
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| APA | Smart Define. (2016). ambiguous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ambiguous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "ambiguous thesaurus" https://smartdefine.org/ambiguous/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, ambiguous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ambiguous/thesaurus/synonyms>. |
| MLA | Smart Define. "ambiguous thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/ambiguous/thesaurus/synonyms> |