Content/ˈkɑːntent/ Definition 1 of 5Pro Tip 1/2Variety of Contexts Can refer to physical and abstract items inside something else, like a container or concept. The container's content was a mix of coins and jewelry. Pro Tip 2/2Not Singular 'Content' is not used in the singular form, even when referring to a single item. The content of this envelope is strictly confidential.