- Definitions|2
- Thesaurus|825
- Abbreviations|0
43 entries under underground topic. ×
| sub rosa(expression, adjective, secret, clandestine) | |
| underhand(secret, hidden, clandestine, sneaky) | |
| underhanded(secret, hidden, clandestine, sneaky) | |
| unsuspected(secret, hidden, clandestine, underhanded) | |
| ambiguous(obscure, unknown, clandestine, undisclosed) | |
| arcane(obscure, unknown, clandestine, undisclosed) | |
| cloak-and-dagger(clandestine, undisclosed) | |
| closet(clandestine, undisclosed) | |
| deep(obscure, unknown, clandestine, undisclosed) | |
| enigmatical(obscure, unknown, clandestine, undisclosed) | |
| out-of-the-way(obscure, unknown, clandestine, undisclosed) | |
| privy(secret, hidden, clandestine, underhanded) | |
| restricted(clandestine, undisclosed) | |
| reticent(obscure, unknown, clandestine, undisclosed) | |
| strange(obscure, unknown, clandestine, undisclosed) | |
| top-secret(clandestine, undisclosed) | |
| top secret(expression, clandestine, undisclosed) | |
| unacknowledged(clandestine, undisclosed) | |
| under false pretense(expression, idiom, clandestine, undisclosed) | |
| unenlightened(obscure, unknown, clandestine, undisclosed) |
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| APA | Smart Define. (2015). disguised thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/disguised/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "disguised thesaurus" https://smartdefine.org/disguised/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, disguised thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/disguised/thesaurus/synonyms>. |
| MLA | Smart Define. "disguised thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/disguised/thesaurus/synonyms> |