known
Americanverb
noun
verb
adjective
noun
Etymology
Origin of known
First recorded in 1300–50, for the adjective
Explanation
Something known is something people are aware of or know about. Don’t ask a known thief to walk your dog while you’re out of town, especially if she is known as the “Poodle Poacher.” When you know something, it’s in your memory and awareness. When something is known, you know it! Technically, known is the past participle of know. Cigarettes are known to cause cancer. Martin Luther King is known as a hero to Americans. Cassius Clay is known as Muhammad Ali. If you stay out late and get in trouble, you should’ve known better. Something known is established, and people don't have reason to doubt it.
Vocabulary lists containing known
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.
It may be unusual for such forthright admissions of wrongdoing to come from an administration not known for scrupulous rectitude.
From Los Angeles Times ● Jul. 28, 2026
Talc is a natural mineral made of magnesium, silicon, oxygen and hydrogen, known for its soapy feel and is often used in baby powder.
From BBC ● Jul. 28, 2026
American singer Carly Simon, known for hits like "You're So Vain," revealed on Monday that she has been diagnosed with Parkinson's disease.
From Barron's ● Jul. 27, 2026
Maryland is not exactly known for its wines—Virginia has hogged the spotlight in the region for decades.
From The Wall Street Journal ● Jul. 27, 2026
A woman Mama had known for a long time.
From "The Hiding Place" by Corrie ten Boom
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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.