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
Here’s something else that should be common knowledge: Higher tax rates do not automatically translate to more tax revenue.
—
Veronique De Rugy, Oc Register, 1 Aug. 2025
Your audience would rather read one insight that changes their thinking than five posts that repeat common knowledge.
—Jodie Cook, Forbes.com, 28 May 2025
Indeed, as time passes, and those security vulnerabilities become common knowledge, with exploits exchanged in criminal forums online, the threat will only increase for any users who have not either updated to a more recent operating system or switched to a different browser app.
—Davey Winder, Forbes.com, 28 June 2025
All of them played professional basketball in the best leagues available to them at the time — that much is common knowledge among even casual fans.
—Jon Paul Hoornstra, MSNBC Newsweek, 25 June 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.
Veronique De Rugy, Oc Register, 1 Aug. 2025
Your audience would rather read one insight that changes their thinking than five posts that repeat common knowledge.
—Jodie Cook, Forbes.com, 28 May 2025
Indeed, as time passes, and those security vulnerabilities become common knowledge, with exploits exchanged in criminal forums online, the threat will only increase for any users who have not either updated to a more recent operating system or switched to a different browser app.
—Davey Winder, Forbes.com, 28 June 2025
All of them played professional basketball in the best leagues available to them at the time — that much is common knowledge among even casual fans.
—Jon Paul Hoornstra, MSNBC Newsweek, 25 June 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 19 Aug. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share