1
undivulged
1
unfathomed
1
unheeded(unseen, ignored, overlooked, unobserved)
1
uninvented(adjective, latency implication)
1
uninvestigated
1
unknowable
1
unmapped
1
unnamed(strange, indefinite, unidentified)
1
unnoted(adjective, strange, new, remote, indefinite)
1
unobtrusive(hidden, unseen, ignored, overlooked, unnoticed)
1
unplumbed
1
unrecognized(strange, new, remote, mysterious, indefinite)
1
unremarked(adjective, unseen, ignored, overlooked, unobserved)
1
unremembered(unseen, ignored, overlooked, unobserved)
1
unrenowned(obscure, strange, new, remote, mysterious)
1
unrespected(unseen, ignored, overlooked, unobserved)
1
unsettled
1
unsolved
1
unspied
1
unsung(obscure, strange, new, remote, unknown)
11 years ago|4.8k views|share |citing 
APASmart Define. (2015). undiscovered thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undiscovered/thesaurus/synonyms
ChicagoSmart Define. 2015. "undiscovered thesaurus" https://smartdefine.org/undiscovered/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, undiscovered thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undiscovered/thesaurus/synonyms>.
MLASmart Define. "undiscovered thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/undiscovered/thesaurus/synonyms>