The Collaborative International Dictionary of English v.0.48:

minginess \minginess\ n.
   an extreme stinginess.

   Syn: meanness, niggardliness, niggardness, parsimony,
        parsimoniousness, tightfistedness.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

minginess
    n 1: extreme stinginess [syn: meanness, minginess,
         niggardliness, niggardness, parsimony,
         parsimoniousness, tightness, tightfistedness,
         closeness]