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 we approach the 250th anniversary of this nation’s birth, it ought to be common knowledge that putting the National Guard into the center of turmoil is not to be taken at all lightly.
From Los Angeles Times • Jun. 9, 2025
If it’s common knowledge that horizontal stripes aren’t flattering for a person’s figure, why are they everywhere?
From Slate • Jun. 3, 2025
By the next day it was common knowledge.
From "The Egypt Game" by Zilpha Keatley Snyder
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.
