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Synonyms

middle age

American  

noun

  1. the period of human life between youth and old age, sometimes considered as the years between 45 and 65 or thereabout.


middle age British  

noun

  1. the period of life between youth and old age, usually (in man) considered to occur approximately between the ages of 40 and 60

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of middle age

Middle English word dating back to 1350–1400

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

What Huberman’s worldview proposes is that motivated people can take small actions to relieve themselves of these endemic problems of middle age.

From Slate Sep. 18, 2026

The results showed that immune cells from the body had entered the brain, with the process occurring as early as middle age.

From Science Daily Aug. 14, 2026

Like much of the show, the season’s details of middle age came from conversations Tropper heard around him during his years among Westchester’s ultrarich — many of them in the sauna or steam room.

From Los Angeles Times Aug. 4, 2026

Jaques posited that middle age compels people to lean in to “the tragic, reflective and philosophical.”

From The Wall Street Journal Jul. 29, 2026

They were boys and men past middle age, and two veterans who had been shot to pieces in Russia.

From "Slaughterhouse-Five" by Kurt Vonnegut

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