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

The park offers a full calendar of events that includes live music and outdoor movies. — Beth Luberecki, USA Today, 30 June 2026

Barkside, which has both indoor and outdoor dog park areas, will offer owners complimentary day passes at its Detroit and Southfield locations through Friday in response to the heat wave. — Paula Wethington, CBS News, 30 June 2026

Brand-new construction homes range from $200,000 to $800,000 and are thoughtfully designed with open-concept floor plans, flex spaces, outdoor living areas, and smart-home technologies. — Ave Maria, Miami Herald, 30 June 2026

What started as a rehabbed tourist kiosk is now a pizza and natural wine bar treasure, with all outdoor seating opening directly onto the Mall’s grassy expanse. — Lanee Lee, Forbes.com, 30 June 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