English Reference
adverb · noun

indoors

adv. · n.
US /ˈɪnˌdɔɹz/ UK /ɪndˈɔːz/ in·doors

  1. 01 A2 Elementary

    adv.into or inside a building.

    adv.into or within the interior of a building; functions as an adverb of place.

    Simple

    It started to rain, so the children ran indoors to play.

    In context

    When the temperature dropped below freezing, the event organisers decided to move the entire reception indoors to the main hall.

    Usage

    Usually follows the verb or the object of the sentence.

    Pitfall
    It was raining, so we stayed at indoors. It was raining, so we stayed indoors.

    Do not use a preposition like 'at' or 'in' before 'indoors'; it functions as a complete adverbial phrase on its own.

  2. 02 B2 Upper Intermediate

    n.the area inside a building.

    n.the interior of a building or buildings in general; often used with 'the'.

    Simple

    He spent too much time in the indoors and needed some fresh air.

    In context

    The architect focused on bringing elements of nature into the indoors through large glass panels and internal gardens.

    Usage

    Typically used as a singular noun preceded by the definite article.


From in + doors, originally two words, representing earlier within doors.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B1 · Intermediate
Frequency Frequent
Updated