"Hostility" means having unfriendly or aggressive feelings towards someone or something. It can describe a state of being against or showing opposition towards someone or something. Full definition
Even more troubling is that this litigation occurs in an environment where jurors start most trials with an attitude of hostility toward, and suspicion of, professionals. (sheppardmullin.com)
My experience with hostility in myself and others has been eye opening and painful. (nakedpastor.com)
Consequently, he was often received with hostility at professional conferences and in print. (psychology.wikia.com)