- Definitions|2
- Thesaurus|2.5k
- Abbreviations|0
51 entries under clandestine topic. ×
| sly(quiet, underground, undisclosed, intriguing) | |
| sneak(underground, undisclosed) | |
| sneaky(quiet, underground, undisclosed, intriguing) | |
| stealthy(adjective, quiet, shadowy, underground) | |
| sub-rosa(underground, undisclosed) | |
| under-the-table(underground, undisclosed) | |
| under false pretense(expression, idiom, underground, undisclosed) | |
| underhand(underground, undisclosed) | |
| unenlightened(obscure, unknown, underground, undisclosed) | |
| unfrequented(obscure, unknown, underground, undisclosed) | |
| unpublished(obscure, unknown, underground, undisclosed) |
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| APA | Smart Define. (2016). mysterious thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/mysterious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "mysterious thesaurus" https://smartdefine.org/mysterious/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, mysterious thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/mysterious/thesaurus/synonyms>. |
| MLA | Smart Define. "mysterious thesaurus" 24 February 2016. Web. 30 September 2026. <https://smartdefine.org/mysterious/thesaurus/synonyms> |