vitiate

  1. Verb.  (transitive) to spoil, make faulty; to reduce the value, quality, or effectiveness of something.
  2. Verb.  (transitive) to debase or morally corrupt.
  3. Verb.  (transitive, archaic) to violate, to rape.
  4. Verb.  (transitive) to make something ineffective, to invalidate.

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This entry was last updated on RefTopia from its source on 3/20/2012.