outdoor

adjective

out·​door ˈau̇t-ˌdȯr 

ˈau̇t-ˈdȯr

variants or less commonly outdoors

ˈau̇t-ˌdȯrz, 

ˈau̇t-ˈdȯrz 

1

: of or relating to the outdoors

2

a

: performed outdoors

outdoor sports

b

: outdoorsy

an outdoor couple

3

: not enclosed : having no roof

an outdoor restaurant

Synonyms of outdoor

• open-air
• outside
• outer
• exterior
• out-of-door
• external
• outdoorsy

Examples of outdoor in a Sentence

an outdoor picnic is always at the mercy of the weather, of course

Recent Examples on the Web

The outdoor space here is also enormous, and in the warmer months, glass walls retract for a lively indoor-outdoor scene. —Condé Nast, Condé Nast Traveler, 7 Mar. 2026

Score decorative pillows by Sunbrella and Kelly Clarkson Home that resist moisture and fading, offering comfortable lounge accessories that add a pop of color—and when temperatures drop, there’s even an outdoor-friendly throw blanket. —Mariana Best, Better Homes & Gardens, 6 Mar. 2026

This stretch of unsettled weather comes as many outdoor activities are taking place across Central Texas, from youth baseball and soccer games to outdoor concerts, fairs, and car shows. —Newsroom Meteorologist, Austin American Statesman, 6 Mar. 2026

The report said the outdoor industry contributed nearly 125,000 jobs to the state. —CBS News, 6 Mar. 2026

Word History

Etymology

out (of) door, out (of) doors

First Known Use

1748, in the meaning defined at sense 1

Rhymes for outdoor

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

Kids Definition

outdoor

adjective

out·​door ˌau̇t-ˌdō(ə)r 

-ˌdȯ(ə)r

variants also outdoors

-ˌdō(ə)rz 

-ˌdȯ(ə)rz

1

: of or relating to the outdoors

an outdoor setting

2

: done outdoors

outdoor games

3

: having no roof and walls

an outdoor theater