147 entries under unknown topic. ×
| unenlightened(clandestine, underground, undisclosed, unrevealed) | |
| unexpected(new, untried) | |
| unfixed(adjective, vague, general, unclear) | |
| uninvestigated(new, untried) | |
| untried | |
| unlimited(adjective, vague, general, unclear) | |
| unpublished(clandestine, underground, undisclosed, unrevealed) |
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| APA | Smart Define. (2016). obscure thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/obscure/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "obscure thesaurus" https://smartdefine.org/obscure/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, obscure thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/obscure/thesaurus/synonyms>. |
| MLA | Smart Define. "obscure thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/obscure/thesaurus/synonyms> |