Definition of adaptness in English:

adaptness

noun

  • Adaptedness. In later use also (frequently with at): adeptness.

Origin

Mid 17th century; earliest use found in John Gaule (1603/4–1687), Church of England clergyman and author. Apparently from adapt + -ness. Compare slightly later adapt and discussion at that entry.

Pronunciation:

adaptness

/əˈdap(t)nəs/