1
uncharted
1
unclassified
1
unconditional(adjective, complete, absolute, unrestrained, extensive)
1
unconstrained(adjective, complete, absolute, unrestrained, extensive)
1
undisclosed
1
undiscoverable
1
undiscovered
1
undivulged
1
unexplained
1
unexposed
1
unfamiliar
1
unfettered(adjective, complete, absolute, unrestrained, extensive)
1
unheard
1
unheard-of
1
unidentified
1
uninvestigated
1
universal(adjective, complete, absolute, unrestrained, extensive)
1
unknowable
1
unknown
1
unperceived
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). unfathomed thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unfathomed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfathomed thesaurus" https://smartdefine.org/unfathomed/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unfathomed thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unfathomed/thesaurus/synonyms>.
MLASmart Define. "unfathomed thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unfathomed/thesaurus/synonyms>