- a place, often part of a schoolyard, for outdoor games and recreation
- a popular resort area
- An outdoor area set aside for recreation and play, especially one containing equipment such as seesaws and swings.
- A field or sphere of unrestricted pleasurable activity: “Foreign affairs had been T.R.'s personal playground during his Presidency” (John Dos Passos).
- (outdoors) A large open space to play on, usually for children.
- A yard or other open-air space on a school campus where the children can play, especially during breaks
- (urban) Small area with dedicated play equipment, usually for children
- The city park playgrounds offer various slides, tubes and swings.
- (figuratively) Any physical or metaphysical space in which a person or organization has free rein to do as they please.
- The exclusive tropical island was a millionaire's playground.