well-known
Americanadjective
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clearly or fully known.
The well-known reasons are obvious.
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generally or widely known.
a well-known painting.
- Synonyms:
- celebrated, noted, famous, prominent
adjective
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widely known; famous; celebrated
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known fully or clearly
Etymology
Origin of well-known
late Middle English word dating back to 1425–75
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.
Their approach uses high-dimensional encoding and is based on a well-known optical phenomenon called the Talbot effect.
From Science Daily • Apr. 1, 2026
Block is well-known as the founder and chief executive officer of Muddy Waters Capital, a hedge fund and investment research firm, with a string of successful bearish bets to his name.
From MarketWatch • Apr. 1, 2026
“Be greedy when others are fearful” is one half of one of Warren Buffett’s most well-known investing maxims.
From Barron's • Mar. 30, 2026
Ali Shoeib, a well-known correspondent for Al Manar TV, a station affiliated with Hezbollah, was killed alongside reporter Fatima Ftouni and cameraman Mohamed Ftouni from the channel Al Mayadeen, according to the stations.
From BBC • Mar. 28, 2026
The support of these well-known faces gave the idea of spirits credibility with the audience.
From "American Spirits" by Barb Rosenstock
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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.