1. the quality or state of being happy, optimistic, and in good spirits

Examples

• Her cheerfulness brightened everyone’s day at the office.
• Despite the rain, he maintained his natural cheerfulness.
• The children’s cheerfulness was contagious during the school play.
• She greeted customers with genuine cheerfulness and warmth.
• His cheerfulness helped the team stay motivated during difficult times.
• The nurse’s cheerfulness made the hospital visit less frightening.
• Even in challenging situations, her cheerfulness never wavered.