1. the quality or state of being jolly; cheerfulness and good humor

Examples

• The children’s jolliness filled the room with laughter.
• His natural jolliness made him popular at parties.
• The holiday season brought out everyone’s jolliness.
• Her jolliness was infectious, brightening everyone’s mood.
• Despite the rain, their jolliness never wavered during the picnic.
• The teacher’s jolliness helped create a positive classroom atmosphere.