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

At night there is also the popular Candles restaurant, with indoor and outdoor dining and a creative steakhouse menu (again with some James Beard chef selections). — Condé Nast, Condé Nast Traveler, 12 Aug. 2026

Any outdoor activities scheduled at the park during the closure will be canceled or postponed. — CBS News, 12 Aug. 2026

Sarawak’s government told schools in those areas to halt outdoor activities. — Trisnadi, Los Angeles Times, 11 Aug. 2026

From outdoor decorations that light up the neighborhood to beautifully collectible porcelain pieces from Lenox, keep scrolling to see them all. — Kelsey Legg, ABC News, 11 Aug. 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