Definition of uncharted adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌʌnˈtʃɑːtɪd//
    ; NAmE NAmE//ˌʌnˈtʃɑːrtɪd//
    [usually before noun]
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  1. 1that has not been visited or investigated before; not familiar They set off into the country's uncharted interior. (figurative) The party is sailing in uncharted waters (= a situation it has not been in before). (figurative) I was moving into uncharted territory (= a completely new experience) with this relationship.
  2. 2not marked on a map The ship hit an uncharted rock.
See the Oxford Advanced American Dictionary entry: uncharted