1
off-lying
1
outlandish
1
overlooked(adjective, unseen, ignored, unobserved)
1
passed by(expression, unseen, ignored, overlooked, unobserved)
1
private
1
pushed aside(expression, unseen, ignored, overlooked, unobserved)
1
puzzling
1
sealed
1
so-and-so(strange, new, remote, mysterious, indefinite)
1
such-and-such(strange, new, remote, mysterious, indefinite)
1
unapparent
1
uncelebrated(strange, new, remote, mysterious, indefinite)
1
uncertain
1
unclassified
1
unconsidered(unseen, ignored, overlooked, unobserved)
1
under the radar
1
undiagnosed
1
undisclosed
1
undiscoverable
1
undistinguished(strange, new, remote, indefinite, unidentified)
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>