common knowledge

noun

1. something widely or generally known

Example Sentences

It’s common knowledge, like water is wet, fire is hot, “Joker: Folie à Deux” is a terrible film.

From Los Angeles Times

All of this is, or should be, common knowledge as well.

From Los Angeles Times

Their respective history with arm injuries was common knowledge around the entire MLB.

From Los Angeles Times

It's common knowledge that poor-quality diets are considered major risk factors for many health issues and even noncommunicable diseases such as Type 2 diabetes.

From Science Daily

The movie exists not to share undiscovered revelations, but to explain that the queer truth about nature has already been thoroughly documented — and encourage viewers to examine why this is not common knowledge.

From Salon