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

The exhibit will be presented at ICA’s north campus, where their works will be installed throughout the indoor/outdoor campus. —Pam Kragen, San Diego Union-Tribune, 16 Mar. 2025

For example, some of her properties are located on 38 acres for a peaceful, distraction-free environment, while others are designed to create an oasis in a busy airport setting, including a tropical outdoor pool. —Bryan Robinson, Forbes, 16 Mar. 2025

Playing an outdoor stage wasn’t the only way the madhouse of SXSW forced Rialto to adapt. —Stephen Thomas Erlewine, Rolling Stone, 16 Mar. 2025

From wrapping outdoor faucets to checking insulation, there are plenty of home maintenance tasks Southerners know to take care of before that rare winter weather arrives. —Betsy Cribb Watson, Southern Living, 16 Mar. 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