Not yet investigated or examined; areas, ideas, or topics that haven't been studied or visited yet.
From 'un-' (not) plus 'explored' (past participle of explore, from Latin 'explorare' meaning 'to search out'). The prefix and verb combine to describe territories of knowledge and geography not yet visited.
Most of Earth is actually unexplored—we've mapped the surface, but 95% of the ocean floor remains unmapped, and more people have walked on the moon than have been to the deepest ocean trench.
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