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 of outdoor

• open-air
• outside
• outer
• exterior
• out-of-door
• external
• 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

Since its founding, Storyteller has made flexible vans with outdoor accoutrements front of mind, building out versatile multi-use spaces for strapping in large cargo during the ride before rearranging into a bedroom/workshop once there. — New Atlas, 15 Oct. 2026

People were urged to exercise extreme caution with any outdoor activities involving fire or potential sparks. — Carlos E. Castañeda, CBS News, 14 Oct. 2026

The lot has a pool and spa, a covered patio, an outdoor kitchen, and a private dock with a lift and a separate floating dock for smaller craft. — The Week Us, TheWeek, 14 Oct. 2026

Tadros received a grant from the California Department of Food and Agriculture in 2024 to improve his farm’s outdoor education space. — Lizzie Kane, Sacbee.com, 14 Oct. 2026

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