Source : Webster's Revised Unabridged Dictionary (1913)

Hostility \Hos*til"i*ty\, n.; pl. {Hostilities}. [L. hostilitas:
   cf. F. hostilit['e].]
   1. State of being hostile; public or private enemy;
      unfriendliness; animosity.

            Hostility being thus suspended with France.
                                                  --Hayward.

   2. An act of an open enemy; a hostile deed; especially in the
      plural, acts of warfare; attacks of an enemy.

            We have showed ourselves generous adversaries . . .
            and have carried on even our hostilities with
            humanity.                             --Atterbury.

            He who proceeds to wanton hostility, often provokes
            an enemy where he might have a friend. --Crabb.

   Syn: Animosity; enmity; opposition; violence; aggression;
        contention; warfare.