1. An area or territory that has not been thoroughly investigated, studied, or visited; a place with limited knowledge or exploration
The Amazon rainforest remains an underexplored region with many undiscovered species.
A floresta amazônica permanece uma região pouco explorada com muitas espécies ainda não descobertas.
2. A field of study or research that has received insufficient attention or investigation
Medieval textile production is an underexplored region in historical research.
A produção têxtil medieval é uma região pouco explorada na pesquisa histórica.