Did you know?

Click any word in a definition or example to find the entry for that word

interior - definition and synonyms


What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



Thesaurus diagram

The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

noun     interior pronunciation in British English
Word Forms
  • Facebook
  • Twitter
  1. 1
    [countable] [usually singular] the inside part of something, especially a building or vehicle

    The car has a surprisingly spacious interior.

    interior of:

    He entered the dark interior of the hallway.

  2. 2
    the inner part of a country or region that is furthest away from its borders or coasts

    a two-day journey into the interior

    interior of:

    Europeans built railways in the interior of Africa.

  3. 3

    the Interior

    the government department that is responsible for things that happen within a country, not for relations between that country and others

    the Department of the Interior

Open Dictionary


a rise in the level of a stream or river

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog
Macmillan learn live love play