What is zealous definition?

Zealous is an adjective that describes someone who shows great enthusiasm, passion, and dedication towards achieving a goal or supporting a cause. It is often used to describe someone who is fervent, energetic, or diligent in pursuing something they believe in or are passionate about. Zealous can have positive connotations, indicating someone who is committed and eager to achieve their objectives, but it can also have negative connotations, implying someone who is excessively enthusiastic to the point of being fanatical or overbearing.