Source : Webster's Revised Unabridged Dictionary (1913)

Misrepresentation \Mis*rep`re*sen*ta"tion\, n.
   Untrue representation; false or incorrect statement or
   account; -- usually unfavorable to the thing represented; as,
   a misrepresentation of a person's motives. --Sydney Smith.

   Note: In popular use, this word often conveys the idea of
         intentional untruth.

Source : WordNet®

misrepresentation
     n : a misleading falsehood [syn: {deceit}, {deception}]