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
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The Iowa senator's love for Dairy Queen blizzards is also common knowledge in the nation's capital. — Emily R. Condon, USA Today, 17 Sep. 2026 Fisk and Overton’s findings suggest that this phenomenon is common knowledge. — Laura Clawson, JSTOR Daily, 28 Aug. 2026 Generic content is more likely to be summarized as common knowledge than cited as evidence of authority. — Gary Drenik, Forbes.com, 20 Aug. 2026 Fans may be confused by the finale, which pivots on a disclosure that’s bound to be common knowledge for viewers (and should already be recognized by the characters, too). — Ben Travers, IndieWire, 2 Apr. 2026 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 5 Oct. 2026.

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