middle age

noun

: 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.
This is particularly true of inmates who are middle age and older because the diagnostic tools were not as sophisticated during their childhoods. Walter Pavlo, Forbes.com, 31 July 2025 Now in middle age, Leanne’s life as she’s known it (the sitcom version, at least) has been turned upside down. Nina Metz, Chicago Tribune, 31 July 2025 These figures highlight a clear shift: homeownership is increasingly delayed, turning what was once a milestone of early adulthood into a luxury reserved for late middle age. Alexander Frei, Boston Herald, 23 June 2025 That curve has long shown younger people with high happiness levels, which decline into middle age. Paul Smaglik, Discover Magazine, 21 Apr. 2025 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 20 Aug. 2025.

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

More from Merriam-Webster on middle age

Last Updated: - Updated example sentences
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