Source : Webster's Revised Unabridged Dictionary (1913)

Parsimonious \Par`si*mo"ni*ous\, a. [Cf. F. parcimonieux. See
   {Parsimony}.]
   Exhibiting parsimony; sparing in expenditure of money; frugal
   to excess; penurious; niggardly; stingy. --
   {Par`si*mo"ni*ous*ly}, adv. -- {Par`si*mo"ni*ous*ness}, n.

         A prodigal king is nearer a tyrant than a parsimonious.
                                                  --Bacon.

         Extraordinary funds for one campaign may spare us the
         expense of many years; whereas a long, parsimonious war
         will drain us of more men and money.     --Addison.

   Syn: Covetous; niggardly; miserly; penurious; close; saving;
        mean; stingy; frugal. See {Avaricious}.

Source : WordNet®

parsimoniousness
     n 1: extreme care in spending money; reluctance to spend money
          unnecessarily [syn: {parsimony}, {thrift}, {penny-pinching}]
     2: extreme stinginess [syn: {meanness}, {minginess}, {niggardliness},
         {niggardness}, {parsimony}, {tightness}, {tightfistedness},
         {closeness}]