hostilities

/hɑˈstɪlətiz/
noun
  1. Acts of fighting or war between groups or countries.
    • The two nations ended hostilities and signed a peace treaty.
    • The general ordered a ceasefire to stop further hostilities.
    • Hostilities broke out along the border after months of tension.
  2. Unfriendly or aggressive actions or feelings between people or groups.
    • She tried to avoid any hostilities with her neighbors by being polite.
    • The family reunion was ruined by the hostilities between the cousins.
    • There were open hostilities between the two coworkers after the argument.
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