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
This method is especially helpful for homes with pets, kids, or lots of foot traffic, and works wonders on floors, walls, and both indoor and outdoor windows.
—
Patricia Shannon, Southern Living, 28 Dec. 2025
Bulbing onions are usually too demanding for indoor gardens, but green onions are just the right size for indoor growing.
—Lauren Landers, Better Homes & Gardens, 28 Dec. 2025
And the bottoms have a sturdy, non-slip sole for both indoor and outdoor wear.
—Nicol Natale, PEOPLE, 28 Dec. 2025
There are indoor cycling and Pilates classes and any number of treatments in the spa.
—Jane Archer, Travel + Leisure, 28 Dec. 2025
See All Example Sentences for indoor
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Patricia Shannon, Southern Living, 28 Dec. 2025
Bulbing onions are usually too demanding for indoor gardens, but green onions are just the right size for indoor growing.
—Lauren Landers, Better Homes & Gardens, 28 Dec. 2025
And the bottoms have a sturdy, non-slip sole for both indoor and outdoor wear.
—Nicol Natale, PEOPLE, 28 Dec. 2025
There are indoor cycling and Pilates classes and any number of treatments in the spa.
—Jane Archer, Travel + Leisure, 28 Dec. 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 29 Dec. 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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