1
incalculable
1
incog(strange, new, remote, mysterious, indefinite)
1
incognito(strange, new, remote, indefinite, unidentified)
1
incognizable
1
little known(expression, adjective, strange, new, remote)
1
obscure(adjective, strange, indefinite, unidentified)
1
puzzling
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
unapparent
1
unbeknownst
1
uncelebrated(strange, new, remote, mysterious, indefinite)
1
unclassified
1
uncultivated
1
undiagnosed
1
undisclosed
1
undiscoverable
1
undistinguished(strange, new, remote, indefinite, unidentified)
11 years ago|2.8k views|share |citing 
APASmart Define. (2015). uncharted thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/uncharted/thesaurus/synonyms
ChicagoSmart Define. 2015. "uncharted thesaurus" https://smartdefine.org/uncharted/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, uncharted thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/uncharted/thesaurus/synonyms>.
MLASmart Define. "uncharted thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/uncharted/thesaurus/synonyms>