Definition from macmillandictionary.com
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There is always some hostility to new technology.
They were greeted with suspicion and hostility at first.
There is no hostility between the staff and pupils.
I found it hard to handle people’s hostility towards me.
The UN is demanding an immediate cessation of hostilities.
Anti-war demonstrations continued after the outbreak of hostilities.
the likelihood of renewed hostilities between the two countries