1. A region or territory that has not been thoroughly investigated, surveyed, or visited by humans
Scientists discovered new species in the unexplored area of the Amazon rainforest.
Cientistas descobriram novas espécies na área inexplorada da floresta amazônica.
2. A field of study or subject matter that has received little research or attention
The effects of deep-sea pressure on marine life remain an unexplored area of research.
Os efeitos da pressão do fundo do mar na vida marinha permanecem uma área inexplorada de pesquisa.