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 public spaces are Scandi-chic, with blond wood, wool accents, and plenty of comfortable seating; a pool deck with a movable roof allows for indoor-outdoor operation.
—
Paul Brady, Travel + Leisure, 23 Nov. 2025
Make sure to use a grow light since indoor sun exposure often isn’t enough.
—Karen Brewer Grossman, Southern Living, 22 Nov. 2025
That makes indoor air quality central to daily health.
—Aamir Khollam, Interesting Engineering, 21 Nov. 2025
Regularly wearing masks in tight indoor spaces and washing hands for at least 20 seconds can help reduce the likelihood of infection.
—Michelle Del Rey, USA Today, 21 Nov. 2025
See All Example Sentences for indoor
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Paul Brady, Travel + Leisure, 23 Nov. 2025
Make sure to use a grow light since indoor sun exposure often isn’t enough.
—Karen Brewer Grossman, Southern Living, 22 Nov. 2025
That makes indoor air quality central to daily health.
—Aamir Khollam, Interesting Engineering, 21 Nov. 2025
Regularly wearing masks in tight indoor spaces and washing hands for at least 20 seconds can help reduce the likelihood of infection.
—Michelle Del Rey, USA Today, 21 Nov. 2025
See All Example Sentences for indoor
Cite this Entry
“Indoor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/indoor. Accessed 25 Nov. 2025.
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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