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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Soon the fathers, mothers and grandparents cheering girls’ soccer teams will exchange their uncomfortable folding chairs for the hard bleacher seats of indoor soccer or basketball. — Christine Ledbetter, Chicago Tribune, 28 Oct. 2026 At the top, an indoor gym opens directly onto the rooftop garden. — New Atlas, 27 Oct. 2026 The woman was attacked while caring for two Persian leopards in an indoor facility at the Beekse Bergen park in the south of the Netherlands. — CBS News, 27 Oct. 2026 Designer Home, Condesa Experience indoor-outdoor living with this luxury home, which was built in 1910 originally with the intent of being the Countess of Miravalle’s country house. — Vogue, 27 Oct. 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 2 Nov. 2026.

Kids Definition

indoor

adjective
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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster