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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

Etymology

Origin of interior

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

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

"It is possible for the interior of a material to behave differently than the surface, but these experimental results still give us a very strong hint at what's happening inside," Fradkin said.

From Science Daily ● Oct. 7, 2026

The actual showroom-ready Type 01 that Jaguar showed off nearly two years after that first brand film is silver, with an “orchid white” interior.

From The Wall Street Journal ● Oct. 7, 2026

Tishman Speyer, a commercial landlord, said it and other investors will inject $235 million into the property to refurbish its aging interior and exterior.

From Barron's ● Oct. 7, 2026

While the area may not have been his favorite, the Brolins certainly made the home their own, tapping celebrated interior design studio, Pierce and Ward, to decorate it with a traditional, baronial aesthetic.

From MarketWatch ● Oct. 7, 2026

"Well? You just going to admire the interior?" asked Kasusu.

From "City of the Plague God" by Sarwat Chadda

The Interior Department’s press office said there was no political pressure to reach a predetermined outcome on the exchange, which is still far from finalized.

From The Wall Street Journal ● Oct. 10, 2026

Almost 2,000 people were arrested on Thursday alone and 305 police officers and gendarmes were injured, according to the Interior Ministry.

From The Wall Street Journal ● Oct. 2, 2026

But the Interior Department, upon reviewing the agreements, “disapproved” them, according to the Washington Post.

From Los Angeles Times ● Oct. 2, 2026

The French Interior Ministry told the BBC: "We are discussing with the British the terms of exit from the agreement."

From BBC ● Sep. 30, 2026

Studied at the Lyceum of Nezhin, went to St. Petersburg in 1828 where he entered, in 1829, the civil service, in the Department of Public Works for the Ministry of the Interior.

From "The Namesake" by Jhumpa Lahiri

It’s all sumptuous to look at, from the movie-star faces to the weird but fascinating interiors of the Vermont mansion, all warm wood and stone accents.

From Los Angeles Times ● Oct. 1, 2026

Alaska’s Airbus A330 planes that fly to North America and Asia under the Hawaiian brand are getting entirely new interiors, including new suites with closing doors.

From The Wall Street Journal ● Sep. 29, 2026

Upon entering the home, guests are welcomed into an oversized gallery, where large windows help fill the interiors with natural light.

From MarketWatch ● Sep. 28, 2026

"Scientists usually assume that the interiors of planetary bodies are generally spherically symmetric, but this is not necessarily true," Berne says.

From Science Daily ● Aug. 30, 2026

I’m suspended, as in airports or dentists’ waiting rooms, expecting yet another interlude that will be textureless and without desire, like a painkiller or the interiors of planes.

From "Cat's Eye" by Margaret Atwood

Related Words

• internal
• remote