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

Taking inspiration from 16th-century outdoor sculpture courtyards, this (indoor) exhibition explores the range of figurative human sculptures in the Walker’s collection. —Jared Kaufman, Twin Cities, 7 Sep. 2025

Some of the features there include a top-floor event area with a ballroom, boardroom and indoor-outdoor lounge. —Charlotte Observer, 6 Sep. 2025

After walking on her own into the indoor habitat, the zoo's veterinary team performed an exam to assess Ruth's well-being, according to the post. —Hannah Kirby, jsonline.com, 5 Sep. 2025

The outdoor cultural site will feature Calder’s works in an outdoor setting by landscape designer Piet Oudolf and indoor hub by architect firm Herzog & de Meuron. —Kristen Tauer, Footwear News, 5 Sep. 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