n.

1. 敵意，敵視[U][（+to/toward）]
   We had no hostility toward the new neighbor.

   我們對新鄰居毫無敵意。

2. 戰爭行動；戰爭；戰鬥[P]
   Hostilities ended when the treaty was signed.

   條約簽訂後戰爭結束了。

n.

▸ (hostilities) acts of warfare:

a cessation of hostilities.