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

---

Etymology

Origin of middle age

Middle English word dating back to 1350–1400

Example Sentences

See Examples For:

middle age

We are entering the latter half of middle age.

From MarketWatch ● Jul. 24, 2026

It’s a helpful reframing for middle age: Given the realities of today, we should really start calling it “prime time.”

From The Wall Street Journal ● Jul. 12, 2026

But more recently, as ideas about what middle age looks like have shifted, along with the changing demographics of viewers, these films have largely disappeared.

From Los Angeles Times ● Jun. 25, 2026

For many Americans, middle age is becoming more challenging than it was for previous generations.

From Science Daily ● Jun. 14, 2026

He was a man of middle age, with no stoop to his shoulders and fewer wrinkles, though he had the same cheerful smile.

From "A Wish in the Dark" by Christina Soontornvat

Related Words

• midlife