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• interior
  interior

  adjective

  being within; inside of anything; internal; inner; further toward a center.
• Interior
  Interior

  noun

  (in titles) the domestic or internal affairs of any of certain countries

interior

American  

[in-teer-ee-er] / ɪnˈtɪər i ər /

adjective

1. being within; inside of anything; internal; inner; further toward a center.

   the interior rooms of a house.

   Antonyms:

   exterior

2. of or relating to that which is within; inside.

   an interior view.

3. situated well inland from the coast or border.

   the interior towns of a country.

4. of or relating to the inland.

5. domestic.

   interior trade.

6. private or hidden; inner.

   interior negotiations of the council.

7. pertaining to the mind or soul; mental or spiritual.

   the interior life.

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noun

• interiors
  plural

1. the internal or inner part; inside.

   Antonyms:

   exterior

2. Architecture.

   1. the inside part of a building, considered as a whole from the point of view of artistic design or general effect, convenience, etc.

   2. a single room or apartment so considered.

3. a pictorial representation of the inside of a room.

4. the inland parts of a region, country, etc..

   the Alaskan interior.

5. the domestic affairs of a country as distinguished from its foreign affairs.

   the Department of the Interior.

6. the inner or inward nature or character of anything.

7. Mathematics. the largest open set contained in a given set, as the points in a circle not including the boundary.

interior ¹ British  

/ ɪnˈtɪərɪə /

noun

1. a part, surface, or region that is inside or on the inside

   the interior of Africa

2. inner character or nature

3. a film or scene shot inside a building, studio, etc

4. a picture of the inside of a room or building, as in a painting or stage design

5. the inside of a building or room, with respect to design and decoration

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adjective

1. of, situated on, or suitable for the inside; inner

2. coming or acting from within; internal

3. of or involving a nation's domestic affairs; internal

4. (esp of one's spiritual or mental life) secret or private; not observable

Interior ² British  

/ ɪnˈtɪərɪə /

noun

1. (in titles) the domestic or internal affairs of any of certain countries

   Department of the Interior

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Synonym Usage

See inside.

Other Word Forms

Derived Forms

• interiority
  noun
• interiorly
  adverb

Inflected Forms

Nouns

• interiors
  plural

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Etymology

Origin of interior

First recorded in 1480–90; from Latin, comparative adjective equivalent to inter- “inward” + -ior comparative suffix; see exterior

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Explanation

Interior commonly refers to the inside of something. When house hunting you might find that the outside of the house is run down, but the interior rooms beautifully renovated. If you design the color scheme of a room and pick our furnishings for it, you are an interior designer. If you delve into a characters feelings and emotions, you might describe what you're looking at as their interior. A place that lies far inland from a coast or border is said to lie in the interior of a country. If you talk to yourself inside your mind, you are said to be having an interior monologue.

Example Sentences

See Examples For:

interior Interior interiors

The findings suggest that gases from the planet's interior may be escaping through cracks in the surface, potentially revealing volcanic activity that has remained hidden until now.

From Science Daily ● Nov. 8, 2026

Both the state's interior minister, Joachim Herrmann, and its minister for the arts, Markus Blume, have spoken out in favour of rebuilding the Kehlsteinhaus.

From BBC ● Nov. 8, 2026

Said Donald, one of the most dominant interior linemen in NFL history: “It’s always good when you’ve got all the pieces to the puzzles out there.”

From Los Angeles Times ● Nov. 7, 2026

A member of the Laguna Pueblo tribe, she had served as the secretary of the interior under former president Joe Biden, the first Native American to serve as a US cabinet secretary.

From Barron's ● Nov. 4, 2026

The doors opened and she pushed aside the interior metal grate, then closed it after we stepped in.

From "The Red Car to Hollywood" by Jennie Liu

Several cases have also been reported across Austria, where Interior Minister Gerhard Karner condemned the incidents as "cowardly, malicious and in some cases life-threatening".

From BBC ● Nov. 4, 2026

Interior Minister Laurent Nunez has decried an "extraordinary" level of violence from some rioters.

From Barron's ● Nov. 1, 2026

A onetime Interior secretary named Albert Fall was convicted of taking bribes from Doheny and another oilman for no-bid drilling there, and though Doheny himself was acquitted twice, his reputation never recovered.

From Los Angeles Times ● Oct. 30, 2026

Belgium's Interior Minister Bernard Quentin has pointed the finger at ultra-left groups.

From BBC ● Oct. 29, 2026

Interior to the region of gassy planets and orbiting icebergs are the warm, rocky provinces of the inner solar system.

From "Cosmos" by Carl Sagan

The interiors are distinguished by polished marble flooring featuring dramatic gold and gray veining, bringing a distinctive design element to the contemporary residence.

From MarketWatch ● Oct. 29, 2026

Meanwhile, the building’s interiors will draw inspiration from Miami’s tropical surroundings, incorporating greenery, natural woods, stone finishes, and textured materials to create a calming atmosphere.

From MarketWatch ● Oct. 23, 2026

By 1999, when May Wah sold it to the Chetrit family, the building was empty, its historic interiors rearranged in anticipation of the Chinese hotel that never opened.

From Los Angeles Times ● Oct. 23, 2026

Many of the rock particles contained extensive networks of cracks running through their interiors.

From Science Daily ● Oct. 20, 2026

Nowadays, we tend to think of architecture in terms of enclosed interiors, but we also have landscape architects, who design gardens, parks, and playgrounds.

From "History of Art, Volume 1" by H.W. Janson

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Related Words

• internal
• remote

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