Definition of over-earnestness in English:

over-earnestness

noun

  • The quality or state of being over-earnest.

Origin

Early 19th century; earliest use found in John Galt (1779–1839), novelist. From over- + earnestness, after over-earnest.

Pronunciation

over-earnestness

/ˌəʊvərˈəːnɪs(t)nəs/