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

Goose will headline an outdoor concert Sunday, June 1, at the Idaho Botanical Garden’s 4,000-capacity Outlaw Field. —Michael Deeds, Idaho Statesman, 27 Jan. 2025

Enter here* for your chance to WIN the ultimate outdoor adventure from Nature’s Bakery—including soft-baked snacks to keep you fueled from go-time to downtime. —Elisabeth Kwak-Hefferan, Outside Online, 27 Jan. 2025

After skiing, there is an outdoor deck with a heated pool and three hot tubs. —Denny Lee, Travel + Leisure, 27 Jan. 2025

The outdoor aesthetic of buffalo check, field jackets and trail shoes emphasized masculine moods of the season. —Rhonda Richford, WWD, 27 Jan. 2025

Word History

Etymology

out (of) door, out (of) doors

First Known Use

1748, in the meaning defined at sense 1

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