unexplored
adjective/ˌʌnɪkˈsplɔːd/
/ˌʌnɪkˈsplɔːrd/
- (of a country or an area of land) that nobody has investigated or put on a map; that has not been explored
- (of an idea, a theory, etc.) that has not yet been examined or discussed carefully and completely
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unexplored