B2[C]the inside part of something: The estate agent had pictures of the house from the outside but none of its interior.The car's interior is very impressive - wonderful leather seats and a wooden dashboard.→ CompareexterioradjectiveCentres of objects›[S]the land that is furthest away from the outside or coast of a country or continent: the African interiorAreas of land in generalSpace - general wordsthe interior›in some countries, the government department that deals with subjects and events that are important in the country itself instead of events in other countries: the Ministry of the Interiorofficials of the US Interior DepartmentGovernment departments and organizations