The phrase "hostile atmosphere" describes an environment or situation that feels unfriendly, unpleasant, or unfavourable. It suggests tension, conflict, or a sense of animosity. Full definition
Away game with a loud, hostile atmosphere in a foreign country.. (justarsenal.com)
A federal court has considered whether a homeowner could maintain a lawsuit against property manager based on the federal Fair Housing Act («Act») for the property manager's failure to protect the homeowner from an allegedly racially hostile atmosphere created by a neighbor. (nar.realtor)
I foresee some very hostile atmospheres at games to come and all I can say is Wenger and the board have brought it on themselves.. (justarsenal.com)