from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or relating to middle age: middle-aged parents; middle-aged interests.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. of, or relating to middle age; neither old nor young

from the GNU version of the Collaborative International Dictionary of English

  • adj. Being about the middle of the ordinary age of man; early in the century, it was considered between 30 and 50 years old, but by the end of the 19th centruy it was considered as 40 to 60.

from The Century Dictionary and Cyclopedia

  • Having lived to the middle, of the ordinary age of man. By a middle-aged man is generally understood a man from the age of forty to fifty.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. being roughly between 45 and 65 years old


Sorry, no etymologies found.


  • My adoption of the term middle-aged child has been helped by my establishing a relationship between the child, ages eight through twelve, and the Middle Ages.


  • By the time I was convinced that the term middle-aged child is not an oxymoron, I also felt comfortable with the Middle Ages.


  • Even in the presence of William and Harry, she called middle-aged Papa “the Boy Wonder.”

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  • This shadow matched the lines around my eyes, the ones that I called my middle-aged specialty loops.


  • It was at another museum, the Worcester Museum of Art, that I became a true believer in the term the middle-aged child.


  • Twenty-seven is a dangerous age for a woman not to be married, only two years shy of Natalia from Turgenev’s A Month in the Country, who, as everyone knows, is described as middle-aged.

    A Mountain of Crumbs

  • Have an episode when an annoying and entitled middle-aged woman named Janice harasses the team and pursues one of the guys.

    Meghan O'Keefe: The Fantasy Friends Spin-Off That Could Solve All of NBC's Woes

  • Kathy, a slim middle-aged woman in a jean jacket and skirt, joins Denise and Elsa on the couches and comfortable chairs that form a close square in the center of the room.

    American Grace

  • The woman sitting at the front desk is middle-aged and white; plump, well manicured, and conservatively but casually dressed.

    American Grace

  • Alexis Rosenbaum, a middle-aged mother of three who grew up at Beth Emet, stopped attending for many years, and then returned when she had children, characterizes her belief in God as “the connection we have between ourselves and other people.”

    American Grace


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