Definition of "interior" in English

adjective

1. Within any limits, enclosure, or substance; inside; internal; inner.

   • the interior apartments of a house; the interior surface of a hollow ball

2. Remote from the limits, frontier, or shore; inland.

   • the interior parts of a region or country

noun

1. The inside of a building, container, cavern, or other enclosed structure.

   • The gardens are just divine, but the interior of the house are even more splendid.

2. The inside regions of a country, distanced from the borders or coasts.

   • Near-synonyms: backcountry, upcountry, hinterland
   • Sir Richard Burton explored far into the African interior.

3. (mathematics, topology) The set of all interior points of a set.