The Collaborative International Dictionary of English v.0.48:

Dishonor \Dis*hon"or\ (d[i^]s*[o^]n"[~e]r or
   d[i^]z*[o^]n"[~e]r), v. t. [imp. & p. p. Dishonored
   (d[i^]s*[o^]n"[~e]rd or d[i^]z*[o^]n"[~e]rd); p. pr. & vb. n.
   Dishonoring.] [OE. deshonouren, F. d['e]shonorer; pref.
   d['e]s- (L. dis-) + honorer to honor, fr. L. honorare. See
   Honor, v. t.] [Written also dishonour.]
   1. To deprive of honor; to disgrace; to bring reproach or
      shame on; to treat with indignity, or as unworthy in the
      sight of others; to stain the character of; to lessen the
      reputation of; as, the duelist dishonors himself to
      maintain his honor.
      [1913 Webster]

            Nothing . . . that may dishonor
            Our law, or stain my vow of Nazarite. --Milton.
      [1913 Webster]

   2. To violate the chastity of; to debauch. --Dryden.
      [1913 Webster]

   3. To refuse or decline to accept or pay; -- said of a bill,
      check, note, or draft which is due or presented; as, to
      dishonor a bill exchange.

   Syn: To disgrace; shame; debase; degrade; lower; humble;
        humiliate; debauch; pollute.
        [1913 Webster]

WordNet (r) 3.0 (2006):

dishonored
    adj 1: suffering shame [syn: discredited, disgraced,
           dishonored, shamed]