1. the quality of being full of energy, enthusiasm, or excitement

Examples

• The children’s liveliness made the party more enjoyable.
• Her liveliness and humor brightened everyone’s mood.
• The debate lacked the liveliness we expected from such passionate speakers.
• The liveliness of the music got everyone dancing.
• Despite his age, he maintained a remarkable liveliness.
• The teacher appreciated the liveliness of the class discussion.
• The festival was known for its color and liveliness.