aging

or age·ing

[ ey-jing ]

noun

1. the process of becoming old or older:

   The aging of the population has had an effect on state revenues.

2. the process of bringing a product, material, etc., to maturity or a state fit for use:

   the proper aging of cheese in controlled conditions of temperature and humidity.

3. the process of making something seem older than it is:

   The leather tabletop is a recent replacement with deliberate aging and antiquing.

adjective

1. becoming old or older; showing signs of growing old:

   Many of us are caring for an aging parent in declining health.

2. giving the appearance of being old or older:

   They used aging makeup on some of the actors instead of recasting the roles.

Word History and Origins

Origin of aging¹

First recorded in 1400–50; late Middle English; age ( def ) + -ing ¹( def ) for the noun; age ( def ) + -ing ²( def ) for the adjective

Example Sentences

It wants to make its timetable less complex and also make sure its "aging" train fleet has targeted maintenance.

From BBC

Additionally, the large millennial generation is increasingly aging into homeownership, as the smaller Generation Z enters the apartment market.

From Los Angeles Times

As the United States has become more progressive and secular — at the same time congregations are shrinking and aging — Christians have lost much of their cultural power, leaving many to feel under assault, Hankins said.

From Los Angeles Times

Various knee abnormalities can arise from aging or injury, resulting in pain and dysfunction.

From Science Daily

Companies also complain about rundown German infrastructure, such as the country’s much criticised rail network, bridges and roads, all three of which state-owned broadcaster Deutsche Wells describes as “aging and crumbling”.

From BBC