common knowledge

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

“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