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

After an outdoor activity, take off your clothes, toss them in the wash and take a shower. —Karen Garcia, Los Angeles Times, 16 June 2026

The same breakfast and lunch buffets are also served in the smaller bistro on Deck 8, which provides some excellent views of the surroundings—not to mention easy access to outdoor decks if wildlife is spotted during a meal. —Condé Nast, Condé Nast Traveler, 16 June 2026

Options for family fun range from tennis and pickleball courts, croquet lawns, and two 18-hole golf courses to a seasonal outdoor pool with a waterslide and splash pad. —Beth Luberecki, USA Today, 16 June 2026

Tubular Locus Solus armchairs by Jacquemus+Exteta accent the outdoor terraces alongside the swimming pool and pool house, which includes a kitchen, bar, and ample space for al fresco dining. —Demetrius Simms, Robb Report, 15 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