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

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



a part, surface, or region that is inside or on the insidethe interior of Africa
inner character or nature
a film or scene shot inside a building, studio, etc
a picture of the inside of a room or building, as in a painting or stage design
the inside of a building or room, with respect to design and decoration


of, situated on, or suitable for the inside; inner
coming or acting from within; internal
of or involving a nation's domestic affairs; internal
(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



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