The Collaborative International Dictionary of English v.0.48:

Disgrace \Dis*grace"\, v. t. [imp. & p. p. Disgraced; p. pr. &
   vb. n. Disgracing.] [Cf. F. disgracier. See Disgrace, n.]
   1. To put out of favor; to dismiss with dishonor.
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            Flatterers of the disgraced minister. --Macaulay.
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            Pitt had been disgraced and the old Duke of
            Newcastle dismissed.                  --J. Morley.
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   2. To do disfavor to; to bring reproach or shame upon; to
      dishonor; to treat or cover with ignominy; to lower in
      estimation.
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            Shall heap with honors him they now disgrace.
                                                  --Pope.
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            His ignorance disgraced him.          --Johnson.
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   3. To treat discourteously; to upbraid; to revile.
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            The goddess wroth gan foully her disgrace.
                                                  --Spenser.

   Syn: To degrade; humble; humiliate; abase; disparage; defame;
        dishonor; debase.
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The Collaborative International Dictionary of English v.0.48:

Disgrace \Dis*grace"\ (?; 277), n. [F. disgr[^a]ce; pref. dis-
   (L. dis-) + gr[^a]ce. See Grace.]
   1. The condition of being out of favor; loss of favor,
      regard, or respect.
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            Macduff lives in disgrace.            --Shak.
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   2. The state of being dishonored, or covered with shame;
      dishonor; shame; ignominy.
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            To tumble down thy husband and thyself
            From top of honor to disgrace's feet? --Shak.
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   3. That which brings dishonor; cause of shame or reproach;
      great discredit; as, vice is a disgrace to a rational
      being.
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   4. An act of unkindness; a disfavor. [Obs.]
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            The interchange continually of favors and disgraces.
                                                  --Bacon.

   Syn: Disfavor; disesteem; opprobrium; reproach; discredit;
        disparagement; dishonor; shame; infamy; ignominy;
        humiliation.
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WordNet (r) 3.0 (2006):

disgrace
    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]
    v 1: bring shame or dishonor upon; "he dishonored his family by
         committing a serious crime" [syn: dishonor, disgrace,
         dishonour, attaint, shame] [ant: honor, honour,
         reward]
    2: reduce in worth or character, usually verbally; "She tends to
       put down younger women colleagues"; "His critics took him
       down after the lecture" [syn: take down, degrade,
       disgrace, demean, put down]
    3: damage the reputation of; "This newspaper story discredits
       the politicians" [syn: discredit, disgrace]