indoor

adjective

in·​door ˈin-ˈdȯr 

1

: of or relating to the interior of a building

2

: living, located, or carried on within a building

an indoor sport

Examples of indoor in a Sentence

Recent Examples on the Web

If finding indoor shelter is not an option: Avoid open fields, hill peaks, or ridge tops. —Ca Weather Bot, Sacbee.com, 1 July 2025

Following community uproar, Gastonia will open a portion of the former Salvation Army building on Tuesday to provide the community with an indoor cooling station, Mayor Richard Franks said. —Briah Lumpkins, Charlotte Observer, 1 July 2025

Amenities: Restaurant, bars, indoor swimming pool, fitness center, spa, sauna, terrace Memmo Alfama is the first boutique hotel in the city’s oldest neighborhood, Alfama. —Monica Mendal, Vogue, 1 July 2025

Staged across the indoor gallery and the lawns of Yorkshire Sculpture Park in the north of England, the exhibition features 40 works made between 2007 and 2024. —Nargess Banks, Forbes.com, 1 July 2025

Word History

First Known Use

1711, in the meaning defined at sense 1

Phrases Containing indoor

• indoor plumbing

Rhymes for indoor

• abhor
• abor
• adore
• afore
• ardour
• ashore
• backdoor
• before
• bookstore
• candour
• centaur
• claymore

Kids Definition

indoor

adjective

in·​door ˌin-ˌdō(ə)r 

-ˌdȯ(ə)r

1

: of or relating to the interior of a building

2

: done, living, used, or belonging within a building

an indoor sport