Common is an adjective that is used to describe something that is shared or experienced by two or more people. It is often used to refer to something that is widely accepted or widely used. Common can also be used to describe something that is ordinary or typical. For example, a common language is one that is spoken by many people, while a common hobby is one that many people enjoy. Common can also be used to describe something that is shared by a group of people, such as a common interest or a common goal. Common can also be used to describe something that is shared by all members of a particular group, such as a common culture or a common set of values.