Source : Webster's Revised Unabridged Dictionary (1913)

Kleptomania \Klep`to*ma"ni*a\, n. [Gr. ? thief + E. mania.]
   A propensity to steal, claimed to be irresistible. This does
   not constitute legal irresponsibility. --Wharton.

Source : WordNet®

kleptomania
     n : an irresistible impulse to steal in the absence of any
         economic motive