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
Because common knowledge about pelvic health is low, with many patients feeling uncomfortable openly discussing this area of the body, the gravity of pelvic issues often goes overlooked.
From Slate ● Oct. 6, 2025
It’s been common knowledge since his first #1 hit in 1963.
From Salon ● Jul. 16, 2025
“He and Professor Trelawney are dividing classes between them this year,” said Professor McGonagall, a hint of disapproval in her voice; it was common knowledge that she despised the subject of Divination.
From "Harry Potter and the Half-Blood Prince" 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.
