12 entries under inexplicable topic. ×

7
mysterious(adjective, strange, new, remote, indefinite)
7
unknown(adjective, obscure, strange, mysterious, indefinite)
5
strange(adjective, new, remote, mysterious, indefinite)
3
unfathomable(adjective, strange)
2
baffling(adjective, strange)
2
mystifying(adjective, strange)
2
obscure(adjective, strange, indefinite, unidentified)
1
concealed(strange, new, remote, mysterious, indefinite)
1
hidden(strange, new, remote, mysterious, indefinite)
1
impenetrable(adjective, strange)
1
secret(strange, new, remote, mysterious, indefinite)
0
difficult(adjective, strange)
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APASmart Define. (2015). unexplained thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unexplained/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexplained thesaurus" https://smartdefine.org/unexplained/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unexplained thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unexplained/thesaurus/synonyms>.
MLASmart Define. "unexplained thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/unexplained/thesaurus/synonyms>