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

• open-air
• out-of-doors
• outside
• outer
• 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 host site is the Midwest’s largest indoor/outdoor tennis and pickleball facility and is located in a town known for its tennis background, and now joins the ranks of cities that have hosted major pro events. —Todd Boss, Forbes.com, 19 Aug. 2025

According to village documents, the restaurant would be on a 1-acre site with a drive-through, indoor and outdoor seating, delivery service with a third-party vendor, a spot for curbside order service and 52 parking spaces. —Cathy Kozlowicz, jsonline.com, 19 Aug. 2025

Friday is a test day followed by an outdoor live fire demonstration. —Arkansas Online, 19 Aug. 2025

Community amenities will include a pool and pool deck with in-water tanning ledges and lap lanes, private cabanas, an outdoor covered patio area, a pet park and spa, a fire pit and outdoor grills, a fitness center and valet trash service. —Katie Nixon, The Tennessean, 19 Aug. 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