noun
hyperactivity; overactivity
Refers to excessive activity, often used in medical, psychological, or behavioral contexts.
活動過剰の症状が見られる。
Symptoms of hyperactivity are observed.
子どもが活動過剰でじっとしていられない。
The child is hyperactive and cannot stay still.
多動 is more specifically used in medical diagnoses like ADHD (注意欠陥・多動性障害), while 活動過剰 is a broader term for excessive activity.
Compound of 活動 (activity) and 過剰 (excess).