DictionaryAI

interior

in-TEER-ee-ur/ɪnˈtɪ.ɹi.ɚ/UKin-TEER-ee-uh/ɪnˈtɪə.ɹɪ.ə/

Pluralinteriors

6 meanings of interior

Practice

  1. 1
    the insidenouncountable
    The inside part of a building, box, or other closed space.

    Like the inside of a box, where you keep things tucked away.

    The car's interior was clean and smelled brand new.

    We painted the interior of the old house a soft white.

    UsageOften the interior of a house or car. The opposite is exterior.

    Similarinside

    Oppositeexterior, outside

  2. 2
    adjective
    On the inside of something, not on the outside.

    The interior walls were painted a calm shade of blue.

    We added an interior door between the two rooms.

    UsageUsed before a noun, like interior walls. The opposite is exterior.

    Similarinner, inside, internal, inward

    Oppositeexterior, outer, outside, external

  3. 3
    inland regionnouncountable
    The middle parts of a country, far from its edges or the sea.

    Like the center of a pizza, far from the crusty edges.

    The country's interior is mostly desert and dry grassland.

    They traveled deep into the interior to reach the mountain village.

    UsageUsually the interior, as in travel into the interior.

    Similarhinterland, heartland, backcountry

    Oppositecoast

    Note
  4. 4
    adjective
    Far from the coast or border of a country, deep inland.

    The interior towns rarely see tourists from the coast.

    Most interior regions get very little rain each year.

    Similarinland

    Oppositecoastal

  5. 5
    adjective
    Inside a country, and having to do with its own matters, not with other countries.

    He got a job at the interior ministry, helping to plan the next national vote.

    Our leaders said other countries should not get involved in our interior affairs.

    Similarhome, domestic, internal

    Oppositeforeign, external

    Note

Less common meaning

  1. 6
    noun
    In math, the inside part of a shape, not counting its edge.

Practice

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Origin

From Latin interior, meaning "inner" or "interior".

Checked 7 Nov 2026 · 2 facts