- 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 word dating back to 1425–75
SynonymsSee more synonyms on Thesaurus.com
2. prominent, famous, noted, celebrated.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for well-known
As a well-known advocate for Baluch rights in Iran, young Iranians reach out to him for advice.The Dangerous Drug-Funded Secret War Between Iran and Pakistan
December 29, 2014
The young Jordanian pilot comes from a well-known military family in the kingdom and his uncle is a retired major general.Did ISIS Shoot Down a Fighter Jet?
Jamie Dettmer, Christopher Dickey
December 24, 2014
He was a well-known raconteur, and some of his stories were widely known and repeated--often by him.Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days
December 13, 2014
And his parents were well-known country performers on stage and radio.The Best Albums of 2014
December 13, 2014
Thanks to the film bearing his name, Oskar Schindler is probably the most well-known of these, but there are many others.The Straight Hero of Cameroon’s Gays
December 10, 2014
Eudora started, when she saw the well-known writing of Philæmon.Philothea
Lydia Maria Child
It is a well-known fact that all living beings like to be comfortable.Ancient Man
Hendrik Willem van Loon
This is too well-known a truth for me to endeavor to conceal it, especially from you.Clarissa, Volume 1 (of 9)
For several years he had been cashier in a well-known banking-house.The Greater Inclination
The well-known poem, beginning, "Guid morning to your Majesty."The Letters of Robert Burns
- 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
Word Origin and History for well-known
Online Etymology Dictionary, © 2010 Douglas Harper