indoor

adjective

in·​door ˈin-ˈdȯr 

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

Rancho Cordova city councilmembers on Monday evening will consider waiving hundreds of thousands of dollars in developers’ fees for an ambitious indoor soccer arena project. —JosÉ Luis Villegas, Sacbee.com, 6 Jan. 2026

The venue would be designed to host a new indoor soccer league, along with concerts and other events. —James Taylor, CBS News, 6 Jan. 2026

The city boasts 18 cozy cafés per 10 square miles, along with more than 100 indoor entertainment options ranging from world-class art museums to wellness studios and cultural spaces. —Lauren Dana Ellman, Travel + Leisure, 5 Jan. 2026

Basil, cilantro, parsley, dill, and mint are all herbs that take well to indoor growing, but these herbs need about 12 to 16 hours of light per day. —Lauren Landers, Better Homes & Gardens, 5 Jan. 2026

Word History

First Known Use

1711, in the meaning defined at sense 1

Phrases Containing indoor

• indoor plumbing

Rhymes for indoor

• abhor
• abor
• adore
• afore
• ardour
• ashore
• backdoor
• before
• bookstore
• candour
• centaur
• claymore

Kids 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