Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “outdoor”


adjective [not gradable]    /ˈɑʊtˌdɔr, -ˌdoʊr/
existing, happening, or done outside a building: The city’s outdoor pools open June 19th. an outdoor concert
(Definition of outdoor adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of outdoor

Definitions of “outdoor” in other dictionaries

Word of the Day


something that you do to prepare yourself for an activity, especially gentle exercises before a physical activity

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More