The Collaborative International Dictionary of English v.0.48:

Ignominy \Ig"no*min*y\, n.; pl. Ignominies. [L. ignominia
   ignominy (i.e., a deprivation of one's good name); in- not +
   nomen name: cf. F. ignominie. See In- not, and Name.]
   1. Public disgrace or dishonor; reproach; infamy.
      [1913 Webster]

            Their generals have been received with honor after
            their defeat; yours with ignominy after conquest.
                                                  --Addison.
      [1913 Webster]

            Vice begins in mistake, and ends in ignominy.
                                                  --Rambler.
      [1913 Webster]

            Ignominy is the infliction of such evil as is made
            dishonorable, or the deprivation of such good as is
            made honorable by the Commonwealth.   --Hobbes.
      [1913 Webster]

   2. An act deserving disgrace; an infamous act.

   Syn: Opprobrium; reproach; dishonor.
        [1913 Webster]

WordNet (r) 3.0 (2006):

ignominy
    n 1: a state of dishonor; "one mistake brought shame to all his
         family"; "suffered the ignominy of being sent to prison"
         [syn: shame, disgrace, ignominy]

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "ignominy":
   abomination, atrocity, chagrin, contempt, degradation, demotion,
   depluming, desecration, despite, discredit, disdain, disesteem,
   disgrace, dishonor, displuming, disrepute, ignobility,
   ignominiousness, infamousness, infamy, ingloriousness,
   loss of honor, mortification, obloquy, odium, opprobrium, pity,
   profanation, sacrilege, scandal, scorn, shame, terrible thing,
   violation



Bouvier's Law Dictionary, Revised 6th Ed (1856):

IGNOMINY. Public disgrace, infamy, reproach, dishonor. Ignominy is the
opposite of esteem. Wolff, Sec. 145. See Infamy.