common knowledge
Britishnoun
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.
She said people should be discussing menstruation from an early age so it's common knowledge that "periods which stop your day-to-day functioning" are not normal.
From BBC ● May 20, 2026
“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
As it turned out, the beehive ban was not common knowledge, even to the beekeepers association, said its president, Cheryl Koeller, in an email.
From Los Angeles Times ● Nov. 6, 2025
It’s been common knowledge since his first #1 hit in 1963.
From Salon ● Jul. 16, 2025
It was common knowledge that Snape wanted the Defense Against the Dark Arts job, but even Harry, who hated Snape, was startled at the expression twisting his thin, sallow face.
From "Harry Potter And The Prisoner Of Azkaban" by J.K. Rowling
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
