38 entries under adjective topic. ×

11
unknown(obscure, strange, mysterious, private)
10
unexplored(strange, new, remote, mysterious)
9
unseen(hidden, ignored, imagined, overlooked)
8
undetected(knowledge, obscure, hidden, imaginary)
7
uncharted(strange, new, remote, mysterious)
7
unheard-of(obscure, strange, new, remote)
6
unfamiliar(obscure, strange, new, remote)
6
obscure(strange, unknown, unfamiliar, hidden)
6
unexposed(knowledge, obscure, untraveled, unfound)
5
strange(new, remote, mysterious, indefinite)
5
unnoticed
4
remote(strange, new, mysterious, indefinite)
4
unexplained(strange, new, remote, mysterious)
4
unidentified(strange, new, remote, mysterious)
4
untracked
3
unperceived(strange, new, remote, mysterious)
3
untraced
2
anonymous(strange, indefinite, unidentified)
2
little-known(obscure, unknown, unfamiliar, untraveled)
2
nameless(obscure, strange, new, remote)
<12>
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>