hostile
adj.adj. showing that you are very unfriendly or do not like someone. You use this to describe people, places, or ideas that feel like an enemy.
adj. showing or feeling strong opposition or dislike; unfriendly. Often used to describe environments or conditions that are difficult for life or success to survive in.
The crowd was very hostile toward the visiting team.
The company faced a hostile takeover bid from its largest competitor after the stock price dropped.
The explorer struggled to survive in the hostile desert environment, where extreme temperatures and a lack of water made every mile a life-threatening challenge.
Borrowed from Middle French hostile, from Latin hostīlis, from hostis (“enemy”). Displaced Old English fēondlīċ.
Commonly followed by the preposition 'to' or 'towards'.