The Collaborative International Dictionary of English v.0.48:

Displease \Dis*please"\, v. i.
   To give displeasure or offense. [Obs.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Displease \Dis*please"\, v. t. [imp. & p. p. Displeased; p.
   pr. & vb. n. Displeasing.] [OF. desplaisir, whence F.
   d['e]plaisir displeasure; pref. des- (L. dis-) + plaisir to
   please. See Please, and cf. Displeasure.]
   1. To make not pleased; to excite a feeling of disapprobation
      or dislike in; to be disagreeable to; to offend; to vex;
      -- often followed by with or at. It usually expresses less
      than to anger, vex, irritate, or provoke.
      [1913 Webster]

            God was displeased with this thing.   --1 Chron.
                                                  xxi. 7.
      [1913 Webster]

            Wilt thou be displeased at us forever? --Psalms
                                                  lxxxv. 5 (Bk.
                                                  of Com.
                                                  Prayer).
      [1913 Webster]

            This virtuous plaster will displease
            Your tender sides.                    --J. Fletcher.
      [1913 Webster]

            Adversity is so wholesome . . . why should we be
            displeased therewith?                 --Barrow.
      [1913 Webster]

   2. To fail to satisfy; to miss of. [Obs.]
      [1913 Webster]

            I shall displease my ends else.       --Beau. & Fl.

   Syn: To offend; disgust; vex; annoy; dissatisfy; chafe;
        anger; provoke; affront.
        [1913 Webster]

WordNet (r) 3.0 (2006):

displease
    v 1: give displeasure to [ant: delight, please]

Moby Thesaurus II by Grady Ward, 1.0:

28 Moby Thesaurus words for "displease":
   anger, annoy, be disagreeable, bug, chafe, disappoint, discontent,
   disgruntle, dishearten, dissatisfy, exasperate, frustrate,
   infuriate, irk, irritate, miff, nettle, offend, peeve, pique,
   provoke, put out, rile, ruffle, trouble, upset, vex, worry