- Definitions|1
- Thesaurus|593
- Abbreviations|0
71 entries under underground topic. ×
| confidential(clandestine, undisclosed) | |
| conspiratorial(obscure, unknown, clandestine, undisclosed) | |
| covered(obscure, unknown, clandestine, undisclosed) | |
| covert(clandestine, undisclosed) | |
| cryptic(obscure, unknown, clandestine, undisclosed) | |
| deep(obscure, unknown, clandestine, undisclosed) | |
| discreet(clandestine, undisclosed) | |
| disguised(obscure, unknown, clandestine, undisclosed) | |
| dissembled(clandestine, undisclosed) | |
| dissimulated(clandestine, undisclosed) | |
| esoteric(obscure, unknown, clandestine, undisclosed) | |
| furtive(obscure, unknown, clandestine, undisclosed) | |
| hidden(clandestine, undisclosed) | |
| hush-hush(clandestine, undisclosed) | |
| in ambush(expression, clandestine, undisclosed) | |
| incognito(clandestine, undisclosed) | |
| inside(clandestine, undisclosed) | |
| mysterious(obscure, unknown, clandestine, undisclosed) | |
| mystic(obscure, unknown, clandestine, undisclosed) | |
| mystical(obscure, unknown, clandestine, undisclosed) |
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| APA | Smart Define. (2015). unenlightened thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unenlightened/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unenlightened thesaurus" https://smartdefine.org/unenlightened/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, unenlightened thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unenlightened/thesaurus/synonyms>. |
| MLA | Smart Define. "unenlightened thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unenlightened/thesaurus/synonyms> |