Definition of over-lavishness in English:

over-lavishness

noun

  • Excessive lavishness; an instance of this.

Origin

Late 16th century; earliest use found in Anthony Munday (d. 1633), playwright and translator. From over- + lavishness, after overlavish.

Pronunciation

over-lavishness

/ˌəʊvəˈlavɪʃnɪs/