unyoung

/ʌnˈjʌŋ/
adjective
  1. Not young; older or elderly.
    • Her unyoung face showed the wisdom of many years.
    • The club welcomed members both young and unyoung.
    • The park had benches for the unyoung visitors who needed to rest.
Antonyms
What does "unyoung" mean? | whatsthatwordmean | whatsthatwordmean