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

Each of the hotel’s restaurants offers outdoor dining areas with heaters to warm up even the chilliest evenings. —Condé Nast, Condé Nast Traveler, 27 Apr. 2026

Mildew is a common problem on outdoor cushions, especially in humid conditions. —Lauren Jarvis-Gibson, Miami Herald, 27 Apr. 2026

As well as the private pool, the large deck includes an outdoor kitchen area, shower and hammock built for two, the perfect place to watch the stars with just the sound of the birds and crickets. —Hollie Clemence, TheWeek, 27 Apr. 2026

The town is known as a haven for outdoor and nature enthusiasts, as the region is home to Ellie Schiller Homosassa Springs Wildlife State Park. —Dobrina Zhekova, Travel + Leisure, 27 Apr. 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