資料來源 : Webster's Revised Unabridged Dictionary (1913)

Pravity \Prav"i*ty\, n. [L. pravitas, from pravus crooked,
   perverse.]
   Deterioration; degeneracy; corruption; especially, moral
   crookedness; moral perversion; perverseness; depravity; as,
   the pravity of human nature. ``The pravity of the will.''
   --South.