Parsimonious, a. — Webster enters it under “parsimonious”
Etymology: [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.
Shades of meaning
Fernald has no entry of its own for parsimoniousness; he lists it under frugality.
He lists it without comment; the entries above explain its neighbors.