common knowledge

noun

: something that many or most people know
It's common knowledge that she plans to run for mayor.

Examples of common knowledge in a Sentence

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Fastvold assumed lessons on Lee and the Shakers were taught in US schools as part of the curriculum — or at least common knowledge for most Americans — considering the rarity of a proto-feminist leader during that period. Leah Dolan, CNN Money, 25 Dec. 2025 Kentucky law allows drivers to make right turns on red lights unless there is a sign prohibiting it, but what may not be common knowledge is the law allowing vehicles to turn left on red. Leo Bertucci, Louisville Courier Journal, 31 Oct. 2025 Life is full of coördination problems that are addressed through common knowledge, Pinker writes. Joshua Rothman, New Yorker, 14 Oct. 2025 The somewhat obscure linkup became common knowledge to the thru-hiking internet via Guo’s daily chronicles of her journey. David Gleisner, Outside, 13 Oct. 2025 See All Example Sentences for common knowledge

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Cite this Entry

“Common knowledge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/common%20knowledge. Accessed 30 Dec. 2025.

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