Definition of substantiveness in English:

substantiveness

noun

  • The quality or condition of being substantive; independent or self-existent character.

Origin

Early 19th century; earliest use found in Robert Huish (1777–1850), apiculturist and writer. From substantive + -ness.

Pronunciation

substantiveness

/ˈsʌbst(ə)ntɪvnɪs//səbˈstantɪvnɪs/