1. the quality of being full of fun and high spirits; lighthearted behavior
2. the tendency to engage in games, jokes, or amusing activities

Examples

• The children’s playfulness filled the room with laughter.
• Her playfulness made even boring tasks seem fun.
• The puppy’s playfulness was evident as it chased its tail.
• His playfulness at work helped reduce stress among his colleagues.
• The teacher encouraged playfulness during creative writing exercises.
• Despite her age, grandmother maintained a sense of playfulness.
• The comedian’s playfulness with words delighted the audience.