- Definitions|2
- Thesaurus|575
- Abbreviations|0
46 entries under indefinite topic. ×
| unexplained(strange, new, remote, unidentified) | |
| unexplored(strange, new, remote, unidentified) | |
| unnoted(strange, new, remote, unknown) | |
| unperceived(strange, new, remote, unidentified) | |
| unrevealed(strange, new, remote, unidentified) | |
| X(strange, new, remote, unknown) | |
| alien(adjective, unusual, strange, new, remote) | |
| concealed(strange, unidentified) | |
| desolate(strange, new, remote, unidentified) | |
| distant(strange, new, remote, unidentified) | |
| far(strange, new, remote, unidentified) | |
| far-off(strange, new, remote, unidentified) | |
| faraway(strange, new, remote, unidentified) | |
| foreign(adjective, unusual, strange, new, remote) | |
| hidden(strange, unidentified) | |
| incog(strange, new, remote, unidentified) | |
| incognito(adjective, strange, new, remote, unknown) | |
| remote(strange, new, doubtful, dubious) | |
| secret(strange, unidentified) | |
| so-and-so(strange, new, remote, unidentified) |
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| APA | Smart Define. (2015). unheard-of thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unheard-of/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unheard-of thesaurus" https://smartdefine.org/unheard-of/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, unheard-of thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unheard-of/thesaurus/synonyms>. |
| MLA | Smart Define. "unheard-of thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/unheard-of/thesaurus/synonyms> |