hyperactivity
US /ˌhaɪ.pɚ.ækˈtɪv.ə.t̬i/
UK /ˌhaɪ.pɚ.ækˈtɪv.ə.t̬i/

1.
과잉 행동, 활동 과다
the condition of being abnormally active
:
•
The child was diagnosed with hyperactivity.
그 아이는 과잉 행동으로 진단받았다.
•
His constant fidgeting is a sign of his hyperactivity.
그의 끊임없는 안절부절못함은 과잉 행동의 징후이다.