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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

But some others, including Ahmad Vahidi, who was then the interior minister and now chief of the Revolutionary Guards, are still alive.

From Barron's ● Sep. 16, 2026

The results suggest that Earth's surface and deep interior were interacting much earlier than previously recognized.

From Science Daily ● Sep. 13, 2026

Lyubov wrote to the Red Cross and Kursk interior ministry appealing for help, but had no response.

From BBC ● Sep. 12, 2026

The matte surface of the interior 7.6-inch screen minimizes reflections to hide it.

From The Wall Street Journal ● Sep. 10, 2026

Nathan turned around quickly and saw Uncle Jet emerge from the dark interior.

From "Healer of the Water Monster" by Brian Young

Interior Secretary Doug Burgum said the oil-market disruption is temporary and rejected speculation that the U.S. is weighing a diesel export ban.

From The Wall Street Journal ● Sep. 14, 2026

Trump signed an executive order Thursday directing the Interior Department to change the lake’s name in the U.S.

From Salon ● Aug. 29, 2026

The White House referred questions about the proposed deal to the Interior Department.

From Los Angeles Times ● Aug. 28, 2026

Interior designer Clarke says artwork is probably the easiest way to make a rental feel more homely because it "instantly makes a space feel more occupied and finished".

From BBC ● Aug. 26, 2026

Interior Secretary Ickes stepped up to the bank of microphones.

From "The Voice That Challenged a Nation: Marian Anderson and the Struggle for Equal Rights" by Russell Freedman

The elegantly sparse interiors are the work of Alex Eagle, the London fashion and furniture designer who is married to Wadhwa, and her creative partner Sophie Hodges.

From The Wall Street Journal ● Sep. 2, 2026

Fans were also impressed by the detailed locations on show, which included the interiors of apartments, rooftop bars and sleazy underground clubs.

From BBC ● Aug. 27, 2026

Impact on bottom line: The new interiors are part of American’s plan to catch up to Delta and United, its more profitable rivals.

From The Wall Street Journal ● Aug. 19, 2026

“Some people open windows of houses, but I like interiors and don’t care about windows,” Lynch wrote in “Room to Dream.”

From Los Angeles Times ● Aug. 18, 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

Related Words

• internal
• remote