A state of excessive activity and restlessness, often associated with attention deficit hyperactivity disorder (ADHD)
अत्यधिक सक्रियता
English Usage: The child's hyperactivity made it difficult for him to complete his homework.
Hindi Usage: बच्चे की अत्यधिक सक्रियता के कारण वह अपना होमवर्क खत्म नहीं कर पाता था।