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

Create a backyard oasis with shrubs and vines that screen views while beautifying your outdoor living space. —Kim Toscano, Southern Living, 3 May 2025

The measurements are ideal for smaller outdoor spaces like an apartment patio, under a pergola, or in a backyard gazebo. —Clint Davis, People.com, 3 May 2025

Rugs Indoor or outdoor rugs infuse any room with energy from the ground up, Thies notes. —Karla Walsh, Better Homes & Gardens, 3 May 2025

Ciel Spa, the 20,000-square-foot wellness space, boasts thermal baths, an outdoor tranquility pool, and 20 treatment rooms. —Kareema Bee, Travel + Leisure, 3 May 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