hostilities
nounUK /hɒˈstɪlɪtiz/
US /hɑːˈstɪlətiz/
Fighting or war between groups of people.
The two countries finally ended hostilities and signed a peace treaty.
OTHER MEANINGS
2. Unfriendly feelings or angry behavior toward someone.
There was open hostility between the two neighbors.
3. Acts of opposition or resistance.
The new rules met with hostility from the workers.
4. A state of armed conflict between nations or groups.
Hostilities broke out along the border last spring.