Source : Webster's Revised Unabridged Dictionary (1913)

Dyingness \Dy"ing*ness\, n.
   The state of dying or the stimulation of such a state;
   extreme languor; languishment. [R.]

         Tenderness becomes me best, a sort of dyingness; you
         see that picture, Foible, -- a swimmingness in the
         eyes; yes, I'll look so.                 --Congreve.