52 entries under strange topic. ×

7
mysterious(adjective, new, remote, indefinite)
7
unknown(adjective, obscure, mysterious, indefinite)
6
inexplicable
6
unascertained(adjective, new, remote, mysterious)
5
undiscovered(adjective, new, remote, mysterious)
4
unapprehended(adjective, new, remote, mysterious)
4
unexplored(adjective, new, remote, mysterious)
3
unfamiliar(adjective, new, remote, mysterious)
3
unfathomable(adjective, inexplicable)
3
unidentified(adjective, new, remote, mysterious)
2
baffling(adjective, inexplicable)
2
mystifying(adjective, inexplicable)
2
obscure(adjective, indefinite, unidentified, inexplicable)
2
uncharted(new, remote, mysterious, indefinite)
2
undetermined(indefinite, unidentified)
2
unheard-of(new, remote, indefinite, unidentified)
2
unperceived(new, remote, mysterious, indefinite)
2
unrevealed(new, remote, mysterious, indefinite)
1
X(new, remote, mysterious, indefinite)
1
alien(new, remote, mysterious, indefinite)
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APASmart Define. (2015). unexplained thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unexplained/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexplained thesaurus" https://smartdefine.org/unexplained/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unexplained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unexplained/thesaurus/synonyms>.
MLASmart Define. "unexplained thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/unexplained/thesaurus/synonyms>