1. enjoyment, amusement, or lighthearted pleasure
2. a source of enjoyment or amusement

1. providing enjoyment, amusement, or pleasure
Usage: informal

Examples

• The children had fun at the playground.
• We’re going to have so much fun on vacation.
• That movie was really fun to watch.
• Swimming is fun in the summer.
• The party was a lot of fun.
• She’s always fun to be around.
• Let’s do something fun this weekend.