1. An area, region, or environment that is unfriendly, dangerous, or opposed to one's interests; literal or figurative enemy-controlled land
The soldiers advanced through hostile territory.
Os soldados avançaram através de terreno hostil.
2. A situation or context where one faces opposition, resistance, or unfavorable conditions
She entered hostile terrain when she challenged the company's policies.
Ela entrou em terreno hostil quando desafiou as políticas da empresa.