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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

More than 770 people were arrested during weekend protests in France, the interior ministry said on Sunday.

From Barron's ● Nov. 1, 2026

Australia's interior ministry said it would not comment on individual cases.

From BBC ● Oct. 31, 2026

“American Gothic” brought Wood, who had been earning a modest living as an art teacher, craftsman and interior designer in Cedar Rapids, Iowa, sudden fame.

From The Wall Street Journal ● Oct. 30, 2026

The distinguishing features of the Qatari airplane are its size, comfort, and the luxury of its interior furnishings, points Trump has gushed over.

From Slate ● Oct. 30, 2026

At last we stepped out into a small interior courtyard.

From "The Hiding Place" by Corrie ten Boom

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

For decades, the park has been maintained by the Interior Department and National Park Service.

From The Wall Street Journal ● Oct. 27, 2026

Late Saturday, Interior Minister Laurent Nunez spoke of two serious injuries among protesters: one in Toulouse and one in Clermont-Ferrand.

From Barron's ● Oct. 25, 2026

Philippines Interior Minister Jonvic Remulla separately said national police had secured Thomas Markle's computer and would carry out a digital forensic examination.

From BBC ● Oct. 25, 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

Asked about the collision of styles that marked his restaurant interiors, Overton once explained it this way: “I wanted something timeless.”

From Los Angeles Times ● Oct. 31, 2026

As for the interiors, Mahlum envisions colorful spaces with mosaic tiles, statement bathrooms, rounded arches, and plenty of room for everyone to gather.

From MarketWatch ● Oct. 30, 2026

Understanding how oxygen moves between the interiors and atmospheres of rocky planets may help researchers investigate the conditions that allow potentially habitable environments to develop and persist over billions of years.

From Science Daily ● Oct. 29, 2026

To give the interiors a soulful look, Donnelly mixes new furnishings with vintage estate sale finds.

From Los Angeles Times ● Oct. 20, 2026

He had drawn the interiors of rooms and labeled them and specified their dimensions, down to the inches, in his precise, blocky handwriting.

From "The Glass Castle" by Jeannette Walls

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Related Words

• internal
• remote

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