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Webster 1913 Edition

Adj.

[L.

pecuniosus

, fr.

pecunia

: cf. F.

pécunieux

Abounding in money; wealthy; rich.

[Obs.]

Sherwood.

Adj.

Full of money. [Not used.]

pecunious ‎(comparative more pecunious, superlative most pecunious)

With money, wealthy; financially independent.
- 1986, Stella Lowder, Inside Third World Cities, ISBN 9780709916475, page 182:
  Initially these outlets catered for the more pecunious element in the population and sold imported and processed goods, ...
(figuratively) rich (of quality, etc.)