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Definition of indoor

indoor

/ˈɪn.dɔːr/
in · door
Adverb:indoors
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indoor Lexical Profile

indoor Game Scores & Validity

• adjective

1

Situated, conducted, or used within a building or under cover, rather than in the open air.

Example

"The community center recently opened a heated indoor swimming pool for year-round exercise."

Synonyms
View all synonyms for indoor
Antonyms
View all antonyms for indoor

Word Nuance & Usage

Used strictly as an attributive adjective before a noun (e.g., 'an indoor pool'), whereas 'indoors' is an adverb used after a verb to indicate location or direction (e.g., 'we stayed indoors').

• Nearby Words

indomitably
indonesia
indonesian
indoor
indoors
indore
indragiri

Word Origin & Etymology

First recorded in the early 18th century as 'within-door', formed by combining 'in' and 'door' to describe activities or items situated inside a house or building.

Cite this Entry

Wordmom. (2026). Definition of Indoor. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/indoor
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