We use 'known' to say something or someone is familiar to people. It means people have information about them or have seen them before.
She is known for her kindness.
This city is known worldwide.
'Known' can mean something is true or real because people have found evidence or prove it. It shows this information is certain.
The known facts support the idea.
Known causes of the problem are few.
Sometimes 'a known' means a person who many people know, usually because they are important or famous in some way.
He is a known in the music world.
She met a known in the city hall.
'Known' can describe things already talked about or understood by people. It points out that these things are not new or unknown.
The known problem was fixed yesterday.
Please check the known errors first.
In math and science, 'known' refers to numbers or facts that are sure or provided. These help solve problems or perform experiments.
Use the known values to solve the equation.
The known constant is 3.14.
In legal or official language, 'known' means a person or fact is officially recorded or recognized by authorities.
The known offender was sentenced.
Known addresses are listed in the document.
'Known' in phrases like 'known quantity' means a person or thing we understand well and can predict easily.
He is a known quantity in the team.
This problem is a known quantity now.
