47 entries under clandestine topic. ×
| top secret(expression, underground, undisclosed) | |
| under-the-table(underground, undisclosed) | |
| under false pretense(expression, idiom, underground, undisclosed) | |
| underhand(underground, undisclosed) | |
| underhanded(underground, undisclosed) | |
| unenlightened(obscure, underground, undisclosed, unrevealed) | |
| unfrequented(obscure, underground, undisclosed, unrevealed) |
For more, visit
Unknown on
Power Thesaurus
| APA | Smart Define. (2015). unknown thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unknown/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unknown thesaurus" https://smartdefine.org/unknown/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, unknown thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unknown/thesaurus/synonyms>. |
| MLA | Smart Define. "unknown thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/unknown/thesaurus/synonyms> |