Synonyms|89Antonyms|3|Broader|0Narrower|0Related|20
1
obscure(adjective, strange, indefinite, unidentified)
1
puzzling
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
unbeknown
1
uncelebrated(strange, new, remote, mysterious, indefinite)
1
uncertified
1
unclassified
1
uncorroborated
1
undisclosed
1
undiscoverable
1
undistinguished(strange, new, remote, indefinite, unidentified)
1
unestablished
1
unexposed
1
unfathomed
1
unfixed
1
unfounded
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APASmart Define. (2015). unascertained thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unascertained/thesaurus/synonyms
ChicagoSmart Define. 2015. "unascertained thesaurus" https://smartdefine.org/unascertained/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unascertained thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unascertained/thesaurus/synonyms>.
MLASmart Define. "unascertained thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unascertained/thesaurus/synonyms>