활발하다

활발하다 (hwalbalhada) means “to be lively, active, or energetic”. It describes someone or something that is full of energy, socially engaging, or thriving.

For example:

그녀는 성격이 활발하다. → “She has a lively personality.”
무역이 활발하게 이루어지고 있다. → “Trade is actively taking place.”

활발하다 describes general liveliness full of energy, while
적극적이다 focuses more on initiative and engagement.