Dark Ages
Americannoun
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the period in European history from about a.d. 476 to about 1000.
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the whole of the Middle Ages, from about a.d. 476 to the Renaissance.
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(often lowercase) a period or stage marked by repressiveness, a lack of enlightenment or advanced knowledge, etc.
plural noun
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the period from about the late 5th century ad to about 1000 ad , once considered an unenlightened period
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(occasionally) the whole medieval period
Etymology
Origin of Dark Ages
First recorded in 1720–30
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Roughly 400,000 years later, after the cosmos cooled enough for atoms to form, it entered a long and quiet phase known as the "Dark Ages."
From Science Daily • Jan. 20, 2026
Monks from Ireland helped spread and then restore Christianity during the so-called Dark Ages.
From BBC • Aug. 9, 2025
That would put the Dark Ages monarchs of Europe to shame.
From Salon • Dec. 7, 2024
But it turns out the Dark Ages was anything but.
From National Geographic • May 25, 2023
I read about the ancient Egyptians, the Greeks and Romans, and the Dark Ages, when the old civilizations fell apart and the only people who could read and write were the monks.
From "Mrs. Frisby and the Rats of NIMH" by Robert C. O'Brien
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.