1
magical
1
mystical
1
nameless(adjective, strange, new, remote, mysterious)
1
new(strange, remote, mysterious, indefinite, unidentified)
1
perplexing
1
remote(strange, new, mysterious, indefinite, unidentified)
1
sealed
1
secret(strange, new, remote, mysterious, indefinite)
1
so-and-so(strange, new, remote, mysterious, indefinite)
1
such-and-such(strange, new, remote, mysterious, indefinite)
1
transcendental
1
unaccounted
1
unbeknown
1
uncelebrated(strange, new, remote, mysterious, indefinite)
1
uncertain
1
unclassified
1
undetected
1
undisclosed
1
undiscoverable
1
undistinguished(strange, new, remote, indefinite, unidentified)
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APASmart Define. (2015). unexplained thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unexplained/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexplained thesaurus" https://smartdefine.org/unexplained/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, unexplained thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unexplained/thesaurus/synonyms>.
MLASmart Define. "unexplained thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/unexplained/thesaurus/synonyms>