See more synonyms for interior on
  1. being within; inside of anything; internal; inner; further toward a center: the interior rooms of a house.
  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.
  1. the internal or inner part; inside.
  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.

Origin of interior

1480–90; < Latin, comparative adj. equivalent to inter- inward + -ior comparative suffix; see exterior
Related formsin·te·ri·or·i·ty [in-teer-ee-awr-i-tee, -or-] /ɪnˌtɪər iˈɔr ɪ ti, -ˈɒr-/, nounin·te·ri·or·ly, adverb

Synonyms for interior

See more synonyms for on
8. See inside.

Antonyms for interior

1, 8. exterior. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for interior

Contemporary Examples of interior

Historical Examples of interior

British Dictionary definitions for interior


  1. a part, surface, or region that is inside or on the insidethe 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
  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
Derived Formsinteriorly, adverb

Word Origin for interior

C15: from Latin (adj), comparative of inter within


  1. the Interior (in titles) the domestic or internal affairs of any of certain countriesDepartment of the Interior
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for interior

late 15c., from Middle French intérieur and directly from Latin interior "inner, interior, middle," comparative adjective of inter "within" (see inter-). Meaning "of the interior parts of a country" is from 1777; meaning "internal affairs of a country or state" (as in U.S. Department of the Interior) is from 1838. Interior decoration first attested 1807. Interior design from 1927.


"part of a country distant from the coast," 1796, from interior (adj.); meaning "inside of a building or room" is from 1829.

Online Etymology Dictionary, © 2010 Douglas Harper