Definition of pecuniosity in US English:

pecuniosity

noun

Law
rare
  • The state or fact of being pecunious.

Origin

Mid 19th century; earliest use found in William Thackeray (1811–1863), novelist. From pecunious + -ity: see -osity. Cf earlier impecuniosity.

Pronunciation

pecuniosity

/ˌpɪˌkjuːnɪˈɒsɪti/