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.
Dance-music producers are notorious for mellowing in middle age. Philip Sherburne, Pitchfork, 25 June 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. Mark Olsen, Los Angeles Times, 25 June 2026 Natural changes in sleep cycles, stress, and medication side effects are among the reasons sleep can get worse in middle age. Mark Gurarie, Health, 20 June 2026 His weight had increased in the incremental, almost invisible fashion of middle age. Jeffrey Wessler, Forbes.com, 18 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 27 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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