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

These conditions may disrupt travel and outdoor activities, particularly with icy roads and walkways. —Michael Gfoeller and David H. Rundell, Newsweek, 15 Jan. 2025

Native Plant Workshop: This workshop will include an in-classroom discussion and an outdoor native plant walk. —Joe Rassel, Orlando Sentinel, 15 Jan. 2025

Avoid intense outdoor exercise during periods of poor air quality. —Karen Garcia, Los Angeles Times, 15 Jan. 2025

Over the past week, the district has been able to open all four of its outdoor skating rinks, according to Director of Parks Tim Quigley. —Tess Kenny, Chicago Tribune, 14 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