The Collaborative International Dictionary of English v.0.48:

Dislike \Dis*like"\, v. t. [imp. & p. p. Disliked; p. pr. &
   vb. n. Disliking.]
   1. To regard with dislike or aversion; to disapprove; to
      disrelish.
      [1913 Webster]

            Every nation dislikes an impost.      --Johnson.
      [1913 Webster]

   2. To awaken dislike in; to displease. "Disliking
      countenance." --Marston. "It dislikes me." --Shak.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

dislike \dis*like"\, n.
   1. A feeling of positive and usually permanent aversion to
      something unpleasant, uncongenial, or offensive;
      disapprobation; repugnance; displeasure; disfavor; -- the
      opposite of liking or fondness.
      [1913 Webster]

            God's grace . . . gives him continual dislike to
            sin.                                  --Hammond.
      [1913 Webster]

            The hint malevolent, the look oblique,
            The obvious satire, or implied dislike. --Hannah
                                                  More.
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            We have spoken of the dislike of these excellent
            women for Sheridan and Fox.           --J. Morley.
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            His dislike of a particular kind of sensational
            stories.                              --A. W. Ward.
      [1913 Webster]

   2. Discord; dissension. [Obs.] --Fairfax.

   Syn: Distaste; disinclination; disapprobation; disfavor;
        disaffection; displeasure; disrelish; aversion;
        reluctance; repugnance; disgust; antipathy. --
        Dislike, Aversion, Reluctance, Repugnance,
        Disgust, Antipathy. Dislike is the more general
        term, applicable to both persons and things and arising
        either from feeling or judgment. It may mean little more
        than want of positive liking; but antipathy, repugnance,
        disgust, and aversion are more intense phases of
        dislike. Aversion denotes a fixed and habitual dislike;
        as, an aversion to or for business. Reluctance and
        repugnance denote a mental strife or hostility something
        proposed (repugnance being the stronger); as, a
        reluctance to make the necessary sacrifices, and a
        repugnance to the submission required. Disgust is
        repugnance either of taste or moral feeling; as, a
        disgust at gross exhibitions of selfishness. Antipathy
        is primarily an instinctive feeling of dislike of a
        thing, such as most persons feel for a snake. When used
        figuratively, it denotes a correspondent dislike for
        certain persons, modes of acting, etc. Men have an
        aversion to what breaks in upon their habits; a
        reluctance and repugnance to what crosses their will; a
        disgust at what offends their sensibilities; and are
        often governed by antipathies for which they can give no
        good reason.
        [1913 Webster]

WordNet (r) 3.0 (2006):

dislike
    n 1: an inclination to withhold approval from some person or
         group [syn: disfavor, disfavour, dislike,
         disapproval]
    2: a feeling of aversion or antipathy; "my dislike of him was
       instinctive" [ant: liking]
    v 1: have or feel a dislike or distaste for; "I really dislike
         this salesman" [ant: like]