Aging
Aging noun - The organic process of growing older and showing the effects of increasing age.
Decline and aging are semantically related in degradation topic. In some cases you can use "Decline" instead a noun "Aging".
Decline
Decline noun - A gradual sinking and wasting away of mind or body.
Aging and decline are semantically related in degradation topic. Sometimes you can use "Aging" instead a noun "Decline".
Mutual synonyms
Both words in one sentence
- Older Than They Look: The Ylver and their redheaded cousins in the Sisterhood stop aging normally at 20 and don't begin again until they're 80, at which point they go into a decade of rapid aging called Decline.
Source: Literature / The Farside Trilogy
Cite this Source
Decline and Aging. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/aging/decline
Aging & Decline. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/aging/decline>.
Decline or Aging. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/aging/decline.
Google Ngram Viewer shows how "aging" and "decline" have occurred on timeline