D defs.my
Entry 2 senses · 2 variants Webster, 1913

ageing

· IPA
01 adj. having lived for a relatively long (or a specified) time; not young; -- used especially of persons. Opposite of young.
  1. 1.
    having lived for a relatively long (or a specified) time; not young; -- used especially of persons. Opposite of young.
Syn. aging, senescent, old.
02 n. same as aging.
  1. 1.
    same as aging. See: aging