9 entries under adjective topic. ×

3
unknown(obscure, strange, new, mysterious)
1
uncharted(strange, new, remote, mysterious)
1
unfamiliar(strange, new, remote, different)
0
little-known(obscure, complex, abstruse, untraveled)
0
undetected
0
undiscovered(obscure, strange, new, remote)
0
unexposed
0
unheard of(expression, strange, indefinite, unidentified)
0
untraveled
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APASmart Define. (2015). little known thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/little_known/thesaurus/synonyms
ChicagoSmart Define. 2015. "little known thesaurus" https://smartdefine.org/little_known/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, little known thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/little_known/thesaurus/synonyms>.
MLASmart Define. "little known thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/little_known/thesaurus/synonyms>