Source : Webster's Revised Unabridged Dictionary (1913)

Disreputability \Dis*rep`u*ta*bil"i*ty\, n.
   The state of being disreputable. [R.]

Source : WordNet®

disreputability
     n : dishonorableness by virtue of lacking respectability or a
         good reputation [syn: {unrespectability}, {disreputableness}]
         [ant: {respectability}, {respectability}]