- Definitions|2
- Thesaurus|327
- Abbreviations|0
57 entries under clandestine topic. ×
| sneak(underground, undisclosed) | |
| sneaky(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) | |
| under wraps(expression, underground, undisclosed) | |
| undercover(underground, undisclosed) | |
| underground(obscure, unknown, undisclosed, unrevealed) | |
| underhand(underground, undisclosed) | |
| underhanded(underground, undisclosed) | |
| undisclosed(obscure, unknown, underground, unrevealed) | |
| unrevealed(obscure, unknown, underground, undisclosed) |
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| APA | Smart Define. (2015). enigmatical thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/enigmatical/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "enigmatical thesaurus" https://smartdefine.org/enigmatical/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, enigmatical thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/enigmatical/thesaurus/synonyms>. |
| MLA | Smart Define. "enigmatical thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/enigmatical/thesaurus/synonyms> |