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
Recent Examples on the Web
When Electrical Wiring Is Involved If the heated blanket is, in fact, machine washable, there is one tip to remember that might sound like common knowledge but is certainly worth repeating.
—
Rebecca Jones, Southern Living, 25 Jan. 2026
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
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
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.
Rebecca Jones, Southern Living, 25 Jan. 2026
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
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
Cite this Entry
“Common knowledge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/common%20knowledge. Accessed 3 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
