Source : Webster's Revised Unabridged Dictionary (1913)

Enmity \En"mi*ty\, n.; pl. {Enmities}. [OE. enemyte, fr. enemy:
   cf. F. inimiti['e], OF. enemisti['e]. See {Enemy}, and cf.
   {Amity}.]
   1. The quality of being an enemy; hostile or unfriendly
      disposition.

            No ground of enmity between us known. --Milton.

   2. A state of opposition; hostility.

            The friendship of the world is enmity with God.
                                                  --James iv. 4.

   Syn: Rancor; hostility; hatred; aversion; antipathy;
        repugnance; animosity; ill will; malice; malevolence.
        See {Animosity}, {Rancor}.

Source : WordNet®

enmity
     n 1: a state of deep-seated ill-will [syn: {hostility}, {antagonism}]
     2: the feeling of a hostile person; "he could no longer contain
        his hostility" [syn: {hostility}, {ill will}]