Source : Webster's Revised Unabridged Dictionary (1913)

Morbidness \Mor"bid*ness\, n.
   The quality or state of being morbid; morbidity.

Source : WordNet®

morbidness
     n : the quality of being unhealthful and generally bad for you
         [syn: {unwholesomeness}, {morbidity}] [ant: {wholesomeness}]