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

Set the decorative gourds alongside other natural fall elements, like hedge apples, in a tray for a beautiful outdoor fall centerpiece. —Sarah Martens, Better Homes & Gardens, 8 Oct. 2025

From a polished tote for the business class flier to a camp-ready fit for the outdoor enthusiast, these five ensembles are ready for your next adventure—starting at just $13. —Amelia McBride, Travel + Leisure, 8 Oct. 2025

Perfect your patio set with a great outdoor rug that’s easy to clean and comfy underneath your bare feet. —Kate McGregor, Architectural Digest, 8 Oct. 2025

The sliding glass door allows this inside seating group and the adjacent outdoor arrangement to function as a single space when needed. —Cameron Beall, Southern Living, 8 Oct. 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