1.
Hostility is unfriendly or aggressive behaviour towards people or ideas.
The last decade has witnessed a serious rise in the levels of racism and ~ to Black and ethnic groups...
N-UNCOUNT: oft N to/towards n
2.
Your ~ to something you do not approve of is your opposition to it.
There is ~ among traditionalists to this method of teaching history.
N-UNCOUNT: usu N to/towards n