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

In just the past 15 years Miral has built up a portfolio of world-class indoor theme parks on Abu Dhabi's Yas Island leisure destination. — Caroline Reid, Forbes.com, 16 Aug. 2026

Depending on the weather, there’s also the choice of indoor or outdoor seating. — Zoe Baillargeon, Travel + Leisure, 16 Aug. 2026

South Land Park’s housing stock includes many mid-century homes — a style that has drawn sustained interest from buyers who want clean lines, indoor-outdoor flow and design details that feel intentional. — David Caraccio, Sacbee.com, 15 Aug. 2026

Organizers plan on expanding the festival footprint to accommodate larger crowds, adding more indoor venues for author sessions, increasing food and water options and creating additional gathering spaces where visitors can relax between events. — Maya Santiago, San Diego Union-Tribune, 15 Aug. 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