Source : Webster's Revised Unabridged Dictionary (1913)

Overmuchness \O`ver*much"ness\, n.
   The quality or state of being in excess; superabundance. [R.]
   --B. Jonson.

Source : WordNet®

overmuchness
     n : a quantity that is more than what is appropriate;
         "four-year-olds have an overabundance of energy"; "we
         received an inundation of email" [syn: {overabundance}, {overmuch},
          {superabundance}]