1. an outdoor area with equipment for children to play on
2. a place where a particular group of people choose to enjoy themselves
Usage: informal

Examples

• The children ran to the playground after school.
• The new playground has swings, slides, and monkey bars.
• Parents watched their toddlers play in the fenced playground.
• The school built a playground behind the cafeteria.
• This resort is a playground for wealthy tourists.
• The mountains serve as a playground for hikers and skiers.
• Silicon Valley became a playground for tech entrepreneurs.