- Definitions|1
- Thesaurus|593
- Abbreviations|0
71 entries under underground topic. ×
| under false pretense(expression, idiom, clandestine, undisclosed) | |
| under wraps(expression, clandestine, undisclosed) | |
| undercover(clandestine, undisclosed) | |
| underhand(clandestine, undisclosed) | |
| underhanded(clandestine, undisclosed) | |
| undisclosed(obscure, unknown, clandestine, unrevealed) | |
| unintelligible(obscure, deep, unknown, clandestine) | |
| unknown(obscure, clandestine, undisclosed, unrevealed) | |
| unrevealed(obscure, unknown, clandestine, undisclosed) | |
| unseen(obscure, unknown, clandestine, undisclosed) | |
| veiled(obscure, unknown, clandestine, undisclosed) |
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| APA | Smart Define. (2015). unenlightened thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unenlightened/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unenlightened thesaurus" https://smartdefine.org/unenlightened/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, unenlightened thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unenlightened/thesaurus/synonyms>. |
| MLA | Smart Define. "unenlightened thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unenlightened/thesaurus/synonyms> |