1. An area, subject, or situation that is unknown, unexplored, or without precedent
The company is venturing into uncharted ground with this new technology.
A empresa está se aventurando em território inexplorado com esta nova tecnologia.
2. A situation or experience that one has no prior knowledge or experience with
Moving to a foreign country was uncharted ground for her.
Mudar-se para um país estrangeiro foi território inexplorado para ela.