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

• alfresco
• open-air
• out-of-door
• out-of-doors
• 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

Guests can float between two outdoor pools—one a heated classic, the other a saltwater pool carved right into the rocks—or enjoy Mediterranean dishes at the hotel’s two restaurants, Récif and the new Estelo (formerly known as La Plage) and new bar, La Chicoula (formerly known as La Cabane). —Monica Mendal, Vogue, 8 June 2025

White picket fences lead down to the pool house, where an outdoor pool, hot tub, sauna, steam room, and cold plunge await. —Lydia Mansel, Southern Living, 8 June 2025

Loloi outdoor rug quickly upgraded the look of my bare cement balcony and pulled together the rest of the furniture to create a cohesive look. —Rachel Trujillo, People.com, 7 June 2025

First, motion sensor outdoor lights illuminate your home’s exterior, helping to ward off trespassers. —Kamron Sanders, Better Homes & Gardens, 7 June 2025

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