English Reference
noun · adjective

aging

n. · adj.
US /ˈeɪdʒɪŋ/ UK /ˈeɪdʒɪŋ/ ag·ing UK spelling ageing, agings

  1. 01 B2 Upper Intermediate

    n.the natural process of growing older as a person, animal, or plant.

    n.the biological process of growing older, involving the accumulation of changes in a human, animal, or plant over time.

    Simple

    Regular exercise and a healthy diet can help slow down the effects of aging.

    In context

    The research team is investigating how cellular aging contributes to the development of chronic diseases in the elderly population.

    maturationsenescence
  2. 02 B2 Upper Intermediate Cooking

    n.the process of letting food or drink, like cheese or wine, sit for a long time to improve its taste.

    n.the deliberate storage of food or beverages under controlled conditions to develop desired flavours or textures.

    Simple

    The aging of this cheddar cheese takes at least twelve months to get the best flavour.

    In context

    The distillery prides itself on a traditional aging process, using charred oak barrels to impart a distinct smoky character to the whiskey.

  3. 03 C1 Advanced Technical

    n.the act of making something new look old, like furniture or clothes.

    n.the intentional treatment of a surface or object to give it the appearance of age or wear.

    Simple

    The set designer used special paint for the aging of the new wooden chairs.

    In context

    The restoration expert applied a specific chemical wash to achieve the subtle aging required to match the new panels with the original seventeenth-century woodwork.

  4. 04 B2 Upper Intermediate

    adj.getting older or appearing to be old.

    adj.approaching old age or showing signs of being old; often used to describe a population or a piece of machinery.

    Simple

    The city needs more services to support its aging population.

    In context

    The company is struggling to maintain its aging infrastructure, which has become increasingly prone to technical failures and high maintenance costs.

It might instead be a regular feature of human aging.

ScienceDaily· 14 Aug 2026

Experiences like these are common among people caring for ageing parents.

The Guardian· 4 Aug 2026

By surface analysis, age + -ing.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Common
Updated