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

With a score that includes staccato human voices crying out, Ben moves through the sterile indoor world of a leisure center, often resembling a lonely gunslingers thanks to the Widescreen aspect ratio. —Sophie Monks Kaufman, IndieWire, 16 May 2025

If finding indoor shelter is not an option: Avoid open fields, the top of a hill, or a ridge top. —Nc Weather Bot, Charlotte Observer, 16 May 2025

One by one, swimmers drop into the massive indoor basin. —Lovia Gyarkye, HollywoodReporter, 16 May 2025

The Department of Energy recommends checking for indoor air leaks around baseboards, windows, doors, light fixtures, appliances, switches and electrical outlets. —Greta Cross, USA Today, 16 May 2025

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