noun🔗Share多動性The quality of being hyperactive; excessive and pathological movement and restlessness"The child's hyperactivity made it difficult for him to sit still in class and focus on his work. "その子の多動性のため、彼は授業中にじっとしていたり、勉強に集中したりすることが困難でした。medicinephysiologymindbodyconditionChat with AIVocabulary GamePractice Reading