interior
in-te-ri-or
adjective
Situated on the inside; relating to the inner part or structure.
"They painted the interior walls light blue."
noun
The inside part of a building, vehicle, or other enclosed space.
"The car's interior was surprisingly clean."
Thesaurus
Synonyms: inside, indoor, internal, inner, inward, Interior Department, Department of the Interior, DoI, midland, inland, upcountry