The Collaborative International Dictionary
Adultness
Adultness \A*dult"ness\, n. The state of being adult.
Wiktionary
adultness
n. The state or quality of being an adult.
Usage examples of "adultness".
Dazya or Proya to give real friendship to Chveya, except Okya and Yaya, of course, who were even more aloof and involved with each other in their supposed adultness.