Synonyms of knownnext
: generally recognized
a known authority on art

Examples of known in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The known elementary particles and their interactions obey a set of equations called the Standard Model of particle physics. Quanta Magazine, 15 June 2026 That can leave known security holes sitting open. Kurt Knutsson, FOXNews.com, 14 June 2026 The vessel has been specifically designed to support operations at depths of up to 11,000 meters—deep enough to reach the Challenger Deep in the Mariana Trench, the deepest known point in Earth’s oceans. Dea Jusufi, Forbes.com, 13 June 2026 Mike Hellgren Welcome back The race is heated and in the homestretch with two Democrats who are well known to voters facing off in the Tuesday, June 23rd, primary. Mike Hellgren, CBS News, 12 June 2026 See All Example Sentences for known

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of known was in the 14th century

Browse Nearby Words

Cite this Entry

“Known.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/known. Accessed 16 Jun. 2026.

Kids Definition

known

adjective
: generally recognized
a known expert on art

More from Merriam-Webster on known

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster