The Collaborative International Dictionary of English v.0.48:

Vilify \Vil"i*fy\ (v[i^]l"[i^]*f[imac]), v. t. [imp. & p. p.
   Vilified; p. pr. & vb. n. Vilifying.] [L. vilis vile +
   -fy; cf. L. vilificare to esteem of little value.]
   1. To make vile; to debase; to degrade; to disgrace. [R.]
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            When themselves they vilified
            To serve ungoverned appetite.         --Milton.
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   2. To degrade or debase by report; to defame; to traduce; to
      calumniate. --I. Taylor.
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            Many passions dispose us to depress and vilify the
            merit of one rising in the esteem of mankind.
                                                  --Addison.
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   3. To treat as vile; to despise. [Obs.]
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            I do vilify your censure.             --Beau. & Fl.
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Moby Thesaurus II by Grady Ward, 1.0:

51 Moby Thesaurus words for "vilifying":
   abusive, back-biting, backbiting, belittling, bitchy, blackening,
   blameful, calumniatory, calumnious, catty, censorious,
   condemnatory, contemptuous, contumelious, damnatory, defamatory,
   denunciatory, deprecative, deprecatory, depreciative, depreciatory,
   derisive, derisory, derogative, derogatory, detracting, detractory,
   disparaging, execrating, execrative, execratory, invective,
   inveighing, judgmental, libelous, maligning, minimizing,
   objurgatory, pejorative, priggish, reproachful, reprobative,
   reviling, ridiculing, scandalous, scoffing, scurrile, scurrilous,
   slanderous, slighting, vituperative