적극적이다

적극적이다 (jeokgeukjeogida) means “to be proactive” or “to be active” . It describes someone who takes initiative, engages actively, or approaches things with enthusiasm.

Usage Examples:

그는 수업 시간에 발표에 적극적이다. → “He is proactive in class presentations.”
적극적인 태도가 성공을 가져온다. → “A proactive attitude leads to success.”
그녀는 토론에서 적극적으로 의견을 말했다. → “She actively expressed her opinion in the discussion.”

It differs from 활발하다 (hwalbalhada), which means “to be lively or energetic”적극적이다 focuses more on initiative and engagement, while 활발하다 describes general liveliness

It’s the opposite of 소극적이다 (sogeukjeogida) which means “to be passive” or “reserved” in Korean. It describes someone who is hesitant, avoids taking initiative, or prefers to stay in the background rather than actively engaging in situations.