\Much"ness\, n.
Greatness; extent. [Obs. or Colloq.]

      The quantity and muchness of time which it filcheth.
                                               --W. Whately.

{Much of a muchness}, much the same. [Colloq.] ``Men's men;
   gentle or simple, they're much of a muchness.'' --G.
   Eliot.