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[wel-nohn] /ˈwɛlˈnoʊn/
clearly or fully known:
The well-known reasons are obvious.
generally or widely known:
a well-known painting.
Origin of well-known
late Middle English
1425-75; late Middle English
2. prominent, famous, noted, celebrated. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for well-known
  • But things can go badly wrong, even with well-known and well-established operations.
  • At the heart of the argument is a well-known paradox.
  • By locking up a few well-known ones, the authorities are serving notice to intellectuals generally to watch their step.
  • Among insiders, politicians' antics in bed are often well-known but usually not publicised.
  • She was a well-known personality, as well as being a close friend of many people prominent in politics and the arts.
  • It enables the country's bigger, well-known electronics firms to exist, as well as meeting foreigners' essential needs.
  • The researchers achieved the feat with the help of a well-known protein that has a distinct green glow.
  • We unearthed these lesser-known works from well-known personages.
  • My doctor says this is a well-known effect of such a blast and should right itself over the next few months.
  • Obtaining it, however, would require all of his well-known negotiating skills.
British Dictionary definitions for well-known


adjective (well known when postpositive)
widely known; famous; celebrated
known fully or clearly
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for well-known

late 15c., from well (adv.) + past participle of know.

Online Etymology Dictionary, © 2010 Douglas Harper
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