- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
52 entries under underground topic. ×
| incognito(clandestine, undisclosed) | |
| on the QT(expression, idiom, obscure, unknown, clandestine) | |
| sneak(clandestine, undisclosed) | |
| sneaky(clandestine, undisclosed) | |
| stealthy(clandestine, undisclosed) | |
| sub-rosa(clandestine, undisclosed) | |
| unacknowledged(clandestine, undisclosed) | |
| under false pretense(expression, idiom, clandestine, undisclosed) | |
| unenlightened(obscure, unknown, clandestine, undisclosed) | |
| unfrequented(obscure, unknown, clandestine, undisclosed) | |
| unpublished(obscure, unknown, clandestine, undisclosed) | |
| sly(clandestine, undisclosed) |
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| APA | Smart Define. (2015). esoteric thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/esoteric/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "esoteric thesaurus" https://smartdefine.org/esoteric/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, esoteric thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/esoteric/thesaurus/synonyms>. |
| MLA | Smart Define. "esoteric thesaurus" 30 July 2015. Web. 23 September 2026. <https://smartdefine.org/esoteric/thesaurus/synonyms> |