The Collaborative International Dictionary of English v.0.48:

Withdraw \With*draw"\ (w[i^][th]*dr[add]"), v. t. [imp.
   Withdrew (-dr[udd]"); p. p. Withdrawn (-dr[add]n"); p.
   pr. & vb. n. Withdrawing.] [With against + draw.]
   1. To take back or away, as what has been bestowed or
      enjoyed; to draw back; to cause to move away or retire;
      as, to withdraw aid, favor, capital, or the like.
      [1913 Webster]

            Impossible it is that God should withdraw his
            presence from anything.               --Hooker.
      [1913 Webster]

   2. To take back; to recall or retract; as, to withdraw false
      charges.
      [1913 Webster]

WordNet (r) 3.0 (2006):

withdrawn
    adj 1: withdrawn from society; seeking solitude; "lived an
           unsocial reclusive life" [syn: recluse, reclusive,
           withdrawn]
    2: tending to reserve or introspection; "a quiet indrawn man"
       [syn: indrawn, withdrawn]