- Definitions|1
- Thesaurus|313
- Abbreviations|0
46 entries under indefinite topic. ×
| mysterious(adjective, strange, new, remote) | |
| unknown(adjective, obscure, strange, mysterious) | |
| unascertained(adjective, strange, new, remote, mysterious) | |
| strange(adjective, new, remote, mysterious) | |
| undiscovered(adjective, strange, new, remote, mysterious) | |
| unapprehended(adjective, strange, new, remote, mysterious) | |
| unexplored(adjective, strange, new, remote, mysterious) | |
| unfamiliar(adjective, strange, new, remote, mysterious) | |
| unidentified(adjective, strange, new, remote, mysterious) | |
| obscure(adjective, strange, unidentified, inexplicable) | |
| uncharted(strange, new, remote, mysterious) | |
| undetermined(strange, unidentified) | |
| unheard-of(strange, new, remote, unidentified) | |
| unperceived(strange, new, remote, mysterious) | |
| unrevealed(strange, new, remote, mysterious) | |
| X(strange, new, remote, mysterious) | |
| alien(strange, new, remote, mysterious) | |
| anonymous(strange, unidentified) | |
| concealed(strange, new, remote, mysterious) | |
| desolate(strange, new, remote, mysterious) |
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| APA | Smart Define. (2015). unexplained thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unexplained/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unexplained thesaurus" https://smartdefine.org/unexplained/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, unexplained thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unexplained/thesaurus/synonyms>. |
| MLA | Smart Define. "unexplained thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/unexplained/thesaurus/synonyms> |