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Definitions

common knowledge



NOUN
open secret
Synonyms


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.

Kendrick Lamar’s hatred of Drake is common knowledge regardless of whether you own either rapper’s albums.

From Salon • May 16, 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

If one of us had made the fact of us common knowledge, we would have become something to be discussed and decided upon.

From "We Are Okay" by Nina LaCour




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