a 'hostile witness' [=a witness in a legal case who supports the opposing side]
The camel is specially adapted to its 'hostile' desert habitat.
It was a small town that was 'hostile' to/toward outsiders.
(..) Take that! I'm a wicked warrior robot! Goddamn! Come on! We gotta move now! Go, go! We got hostiles coming down the street! Go! Bee! Twelve o'clock! Cover fire! We're surrounded! Hustle, hustle, hustle! (..)2014 Transformers: Age of Extinction