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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

Deckers Outdoor, in May, said its Ugg Zora line — which has the fluffy interior an Ugg boot in roughly the shape of a ballet shoe — was proving appealing to customers.

From MarketWatch ● Aug. 15, 2026

But the luminous interior, designed by a man of such profound piety that he was known as “God’s architect,” compels awe even in those devoid of religious belief.

From The Wall Street Journal ● Aug. 14, 2026

Earlier, the interior ministry said security agencies had arrested several suspects accused of plotting to interfere with the electoral system.

From Barron's ● Aug. 14, 2026

In one of her pitches, part of which was reviewed by the Journal, Clark said her resume included “real estate + entrepreneurial investments” as well as “distribution + brand strategy consultant, interior design/architectural background.”

From The Wall Street Journal ● Aug. 14, 2026

Booth peeked through the dot of light on the door, seeing the interior of the box.

From "Chasing Lincoln's Killer" by James L. Swanson

In his decision to shut it down, Ken Salazar, then secretary of the Interior, promised the ranchers they could remain.

From Los Angeles Times ● Aug. 16, 2026

"We are expecting a high potential for lightning-caused wildfire starts, particularly in the central Interior and the Okanagan which are receiving limited precipitation and dry lightning," the service said.

From Barron's ● Aug. 10, 2026

She loaded boxes of evidence into a White House meeting with Trump and Interior Secretary Doug Burgum to prove to the president that it was Burgum who had caused this problem for the president.

From Slate ● Aug. 8, 2026

German Interior Minister Alexander Dobrindt said Wednesday at Leipzig Airport that while drone sightings near airports weren’t new, finding one armed with explosives was “a new threat scenario.”

From The Wall Street Journal ● Aug. 6, 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

By comparison, modern-day insulated car interiors offer aural bliss, but they’re dampening the sound of emergency sirens, law enforcement agencies maintain.

From Los Angeles Times ● Aug. 10, 2026

Trent Park was famed for its fashionable interiors in the 1930s when it was owned by a wealthy politician and guests included Charlie Chaplin and Winston Churchill.

From Barron's ● Aug. 5, 2026

Plans to simplify the classic logo and modernise store interiors sparked fierce resistance from loyal diners who argued the changes stripped away the brand's nostalgic Southern charm.

From BBC ● Jul. 27, 2026

The gauzy light that flows in from both sides of the screened-in room and the palette—countless tones of gray—bring to mind the interiors of Vilhelm Hammershøi.

From The Wall Street Journal ● Jul. 10, 2026

“No sculpture, no carving or bas-relief, almost no painting or drawing—the interiors are completely bare. What we do see are these huge mounds—and textiles.”

From "1491" by Charles C. Mann

Related Words

• internal
• remote