Ageing

Alternative forms

 * aging

Verb
ageing



Noun

 * 1)  The process of becoming older or more mature.
 * 2)  The deliberate act of making something (such as an antique) appear older than it is.
 * 3)  Becoming senescent; accumulating damage to macromolecules, cells, tissues and organs with the passage of time.

Adjective

 * 1)  Becoming elderly.