1. the quality of being playful, fanciful, or unpredictable in an amusing way

Examples

• The whimsicalness of her artwork made children laugh with delight.
• His whimsicalness in decorating the office with colorful toys surprised his colleagues.
• The story’s whimsicalness appealed to readers of all ages.
• She appreciated the whimsicalness of the garden’s unusual sculptures.
• The whimsicalness of his teaching style made learning enjoyable.
• The movie’s whimsicalness reminded audiences of childhood wonder.