middle age

noun

Synonyms of middle agenext
: the period of life from about 45 to about 64
middle-aged adjective
middle-ager noun

Examples of middle age in a Sentence

as our generation approaches middle age The patient was in late middle age. He feared the approach of middle age.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
His weight had increased in the incremental, almost invisible fashion of middle age. Jeffrey Wessler, Forbes.com, 18 June 2026 Well into middle age by then, the former preschoolers’ lives were established, their successes and failures reasonably certain. Ian Bogost, The Atlantic, 16 June 2026 Half of millennials and a third of Gen Xers still tap the Bank of Mom and Dad ‒ even in middle age and beyond. Phaedra Trethan, USA Today, 15 June 2026 The first is generational decline, meaning that newer generations are entering middle age while carrying higher risk factors than their predecessors. Khloe Quill, FOXNews.com, 10 June 2026 See All Example Sentences for middle age

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of middle age was in the 14th century

Browse Nearby Words

Cite this Entry

“Middle age.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/middle%20age. Accessed 21 Jun. 2026.

Kids Definition

middle age

noun
: the period of life from about 45 to about 64
middle-aged
ˌmid-ᵊl-ˈājd
adjective

Medical Definition

middle age

noun
mid·​dle age ˌmid-ᵊl-ˈāj How to pronounce middle age (audio)
: the period of life from about 45 to about 64 years of age
middle-aged adjective

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