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
The Geneva and Dutch Masters are both staged in indoor sand arenas, where horses have to be able to turn quickly or risk making a mistake.
—
Danielle Rossingh, New York Times, 27 May 2026
The spa Beyond the gardens, there's a wellness complex that comprises an indoor pool and gym, spa treatment rooms, and an outdoor sauna and cold plunge.
—Condé Nast, Condé Nast Traveler, 26 May 2026
The turf also feels different than what is used at other indoor venues, or those with retractable roofs.
—Tom Layberger, Forbes.com, 26 May 2026
The site also contains an indoor/outdoor fitness center and a full-service cafe, according to Ellis Partners.
—George Avalos, Mercury News, 26 May 2026
See All Example Sentences for indoor
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Danielle Rossingh, New York Times, 27 May 2026
The spa Beyond the gardens, there's a wellness complex that comprises an indoor pool and gym, spa treatment rooms, and an outdoor sauna and cold plunge.
—Condé Nast, Condé Nast Traveler, 26 May 2026
The turf also feels different than what is used at other indoor venues, or those with retractable roofs.
—Tom Layberger, Forbes.com, 26 May 2026
The site also contains an indoor/outdoor fitness center and a full-service cafe, according to Ellis Partners.
—George Avalos, Mercury News, 26 May 2026
See All Example Sentences for indoor
Cite this Entry
“Indoor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/indoor. Accessed 27 May. 2026.
Copy CitationKids 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
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