1. the quality or state of being playfully mischievous, impish, or whimsical
Usage: often used to describe a lighthearted, teasing manner or personality
2. the quality of being small, delicate, or sprite-like in appearance
Usage: less common; often used in literary or descriptive contexts

Examples

• Her pixiness and quick wit made her the life of the party.
• The actress brought a touch of pixiness to the role with her mischievous grin.
• There was a hint of pixiness in the way he dodged the question.
• The fairy's pixiness was evident in her delicate, dancing movements.
• His pixiness sometimes got him into trouble at school.
• She had a pixiness about her that made everyone smile.