de·praved /dɪˈprevd/
  (a.)墮落的,頹廢的,卑鄙的
  De·prave v. t. [imp. & p. p. Depraved p. pr. & vb. n. Depraving.]
  1. To speak ill of; to depreciate; to malign; to revile. [Obs.]
  And thou knowest, conscience, I came not to chide
  Nor deprave thy person with a proud heart.   --Piers Plowman.
  2. To make bad or worse; to vitiate; to corrupt.
     Whose pride depraves each other better part.   --Spenser.
  Syn: -- To corrupt; vitiate; contaminate; pollute.
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  depraved
       adj 1: having the nature of vice [syn: evil, vicious]
       2: hopelessly bad; "an unregenerate criminal" [syn: unreformable,
           unregenerate]
       3: marked by immorality; deviating from what is considered
          right or proper or good; "depraved criminals"; "a
          perverted sense of loyalty"; "the reprobate conduct of a
          gambling aristocrat" [syn: immoral, perverse, perverted,
           reprobate]