1. A setting or situation that is unwelcoming, inhospitable, or antagonistic; a place or context that lacks support, comfort, or goodwill
The new employee found the unfriendly environment at the office discouraging.
A nova funcionária achou o ambiente hostil no escritório desanimador.
2. A physical or social setting that is difficult, challenging, or dangerous for a particular organism or group
Desert plants have adapted to survive in an unfriendly environment.
As plantas do deserto se adaptaram para sobreviver em um ambiente hostil.