59 entries under adjective topic. ×
| undesignated(unknown, undisclosed, nameless, anonymous) | |
| undiscovered(strange, new, remote, mysterious) | |
| undistinguished(strange, new, remote, unknown) | |
| unexplained(strange, new, remote, mysterious) | |
| unexplored(strange, new, remote, mysterious) | |
| unfamiliar(strange, new, remote, mysterious) | |
| unheard-of(strange, new, remote, unknown) | |
| unidentified(new, remote, unknown, indefinite) | |
| unnoted(strange, new, remote, unknown) | |
| unperceived(strange, new, remote, mysterious) | |
| unrecognized(strange, new, remote, mysterious) | |
| unrenowned(strange, new, remote, mysterious) | |
| unrevealed(strange, new, remote, mysterious) | |
| unsigned(unknown, undisclosed, nameless) | |
| unspecified(strange, unknown, indefinite, undisclosed) | |
| unsung(strange, new, remote, unknown) | |
| untold(strange, new, remote, mysterious) | |
| whatsis(unknown, undisclosed, nameless) | |
| you know who(expression, idiom, unknown, undisclosed) |
For more, visit
X on
Power Thesaurus
| APA | Smart Define. (2015). x thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/x/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "x thesaurus" https://smartdefine.org/x/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, x thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/x/thesaurus/synonyms>. |
| MLA | Smart Define. "x thesaurus" 27 October 2015. Web. 23 September 2026. <https://smartdefine.org/x/thesaurus/synonyms> |