indoor

adjective

in·​door ˈin-ˈdȯr How to pronounce indoor (audio)
Synonyms of indoornext
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
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End your day out on the town by grabbing a bite or beverage at the on-site bistro and bar, taking a dip in the indoor pool, or working out in the fitness center. Lydia Mansel, Travel + Leisure, 4 Mar. 2026 Michaels also added new Real Touch faux florals and UV-resistant greenery for indoor and outdoor decor. Sophia Beams, Better Homes & Gardens, 4 Mar. 2026 Make sure to take out indoor trash bags at least once a week to prevent rotting food from attracting flies into your home. Arricca Elin Sansone, Southern Living, 4 Mar. 2026 Have your home tested for indoor allergens such as mold. Mary Wasson, Austin American Statesman, 4 Mar. 2026 See All Example Sentences for indoor

Word History

First Known Use

1711, in the meaning defined at sense 1

Time Traveler
The first known use of indoor was in 1711

Cite this Entry

“Indoor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/indoor. Accessed 5 Mar. 2026.

Kids Definition

indoor

adjective
in·​door ˌin-ˌdō(ə)r How to pronounce indoor (audio)
-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

More from Merriam-Webster on indoor

Last Updated: - Updated example sentences
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