22 entries under adjective topic. ×

5
unknown(obscure, strange, mysterious, indefinite)
4
unexplained(strange, new, remote, mysterious)
3
mysterious(strange, new, remote, indefinite)
3
strange(new, remote, mysterious, indefinite)
3
uncharted(strange, new, remote, mysterious)
3
undiscovered(strange, new, remote, mysterious)
3
unexplored(strange, new, remote, mysterious)
3
unfamiliar(strange, new, remote, mysterious)
3
unidentified(strange, new, remote, mysterious)
2
unapprehended(strange, new, remote, mysterious)
1
anonymous(strange, indefinite, unidentified)
1
exotic(strange, new, remote, mysterious)
1
foreign(strange, new, remote, mysterious)
1
nameless(strange, new, remote, mysterious)
1
new(strange, remote, mysterious, indefinite)
1
obscure(strange, indefinite, unidentified)
1
unnamed(strange, indefinite, unidentified)
1
unsung(strange, new, remote, indefinite)
0
illegible
0
unappreciated
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APASmart Define. (2015). unascertained thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unascertained/thesaurus/synonyms
ChicagoSmart Define. 2015. "unascertained thesaurus" https://smartdefine.org/unascertained/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unascertained thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unascertained/thesaurus/synonyms>.
MLASmart Define. "unascertained thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unascertained/thesaurus/synonyms>