outdoor

adjective

out·​door ˈau̇t-ˌdȯr How to pronounce outdoor (audio)
ˈau̇t-ˈdȯr
variants or less commonly outdoors
ˈau̇t-ˌdȯrz,
ˈau̇t-ˈdȯrz How to pronounce outdoor (audio)
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

Examples of outdoor in a Sentence

an outdoor picnic is always at the mercy of the weather, of course
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The World Health Organization’s International Agency for Research on Cancer has declared outdoor air pollution and particulate matter Group 1 carcinogens, proven causes of lung cancer. Bill Frist, Forbes.com, 18 Sep. 2025 In the wake of Kirk’s shooting, both Democrats and Republicans have expressed concerns about holding outdoor events. Rachel Schilke, The Washington Examiner, 18 Sep. 2025 Looking to furnish your outdoor space? Elissa Suh, Architectural Digest, 17 Sep. 2025 Wrap a thick rope with outdoor string lights and grapevine balls to create a festive garland to welcome visitors. Maria Sabella, Better Homes & Gardens, 17 Sep. 2025 See All Example Sentences for outdoor

Word History

Etymology

out (of) door, out (of) doors

First Known Use

1748, in the meaning defined at sense 1

Time Traveler
The first known use of outdoor was in 1748

Browse Nearby Words

Cite this Entry

“Outdoor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outdoor. Accessed 22 Sep. 2025.

Kids Definition

outdoor

adjective
out·​door ˌau̇t-ˌdō(ə)r How to pronounce outdoor (audio)
-ˌdȯ(ə)r
variants also outdoors
-ˌdō(ə)rz How to pronounce outdoor (audio)
-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

More from Merriam-Webster on outdoor

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!