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Synonyms

common knowledge

British  

noun

  1. something widely or generally known

"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

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’s another piece of the puzzle that tells you the AI theme is common knowledge and thus it’s hard to understand how there could be alpha remaining in something like long Nvidia.”

From MarketWatch • Dec. 11, 2025

Because common knowledge about pelvic health is low, with many patients feeling uncomfortable openly discussing this area of the body, the gravity of pelvic issues often goes overlooked.

From Slate • Oct. 6, 2025

It’s been common knowledge since his first #1 hit in 1963.

From Salon • Jul. 16, 2025

As we approach the 250th anniversary of this nation’s birth, it ought to be common knowledge that putting the National Guard into the center of turmoil is not to be taken at all lightly.

From Los Angeles Times • Jun. 9, 2025

It was common knowledge that Snape really wanted the Dark Arts job, and he had now failed to get it for the fourth year running.

From "Harry Potter And The Goblet Of Fire" by J. K. Rowling