1. A path, route, or track that has not been explored or investigated; a literal or figurative path that remains unknown or undiscovered
The hikers decided to venture down an unexplored trail deep in the forest.
Os caminhantes decidiram se aventurar por uma trilha inexplorada nas profundezas da floresta.
2. A new, untested direction or approach in any field of endeavor
She chose to pursue an unexplored trail in her artistic career.
Ela escolheu seguir uma trilha inexplorada em sua carreira artística.