13 entries under expression topic. ×

2
unheard of(verb, phrasal verb, strange, indefinite)
1
from abroad(experience, distant, different, unfamiliar)
1
little known(strange, new, remote, mysterious)
1
not domestic(experience, distant, different, unfamiliar)
1
not native(experience, distant, different, unfamiliar)
1
not perceived(idiom, ignorance)
0
dark ages(idiom, ignorance)
0
not discovered
0
out of place(new, mysterious, unknown, unfamiliar)
0
sealed book(idiom, ignorance)
0
terra incognita(idiom, ignorance)
0
unexplored ground(idiom, ignorance)
0
virgin soil(idiom, ignorance)
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APASmart Define. (2015). unexplored thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unexplored/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexplored thesaurus" https://smartdefine.org/unexplored/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, unexplored thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unexplored/thesaurus/synonyms>.
MLASmart Define. "unexplored thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/unexplored/thesaurus/synonyms>