46 entries under indefinite topic. ×

1
distant(strange, new, remote, mysterious)
1
exotic(strange, new, remote, mysterious)
1
far(strange, new, remote, mysterious)
1
far-off(strange, new, remote, mysterious)
1
faraway(strange, new, remote, mysterious)
1
foreign(strange, new, remote, mysterious)
1
hidden(strange, new, remote, mysterious)
1
incog(strange, new, remote, mysterious)
1
incognito(strange, new, remote, unidentified)
1
little known(expression, strange, new, remote, mysterious)
1
nameless(adjective, strange, new, remote, mysterious)
1
new(strange, remote, mysterious, unidentified)
1
remote(strange, new, mysterious, unidentified)
1
secret(strange, new, remote, mysterious)
1
so-and-so(strange, new, remote, mysterious)
1
such-and-such(strange, new, remote, mysterious)
1
uncelebrated(strange, new, remote, mysterious)
1
undistinguished(strange, new, remote, unidentified)
1
unheard of(verb, expression, phrasal verb, strange)
1
unnamed(strange, unidentified)
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APASmart Define. (2015). unexplained thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unexplained/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexplained thesaurus" https://smartdefine.org/unexplained/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unexplained thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unexplained/thesaurus/synonyms>.
MLASmart Define. "unexplained thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/unexplained/thesaurus/synonyms>