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Synonyms

well-known

American  
[wel-nohn] / ˈwɛlˈnoʊn /

adjective

  1. clearly or fully known.

    The well-known reasons are obvious.

  2. generally or widely known.

    a well-known painting.

    Synonyms:
    celebrated, noted, famous, prominent

well-known British  

adjective

  1. widely known; famous; celebrated

  2. 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

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.

Thanks to his breakout role as Fez on “That 70’s Show,” Valderrama was already well-known before joining “NCIS” and he’s noticed which role fans recognize him for has changed.

From Los Angeles Times

By that time, other well-known politicians, including billionaire developer Rick Caruso and L.A.

From Los Angeles Times

A well-known example is thalidomide, a drug from the 1950s.

From Science Daily

Though it is reassuring that it uses well-known and community-reviewed ciphers.

From Salon

One well-known study into Nazi-era education found that school-based indoctrination could have long-lasting effects, particularly when reinforced by the wider social environment.

From BBC