Zealotic is an adjective that describes someone who is excessively enthusiastic or passionate about something. Some synonyms for zealotic include fanatical, fervent, enthusiastic, intense, devoted, and ardent. Other words that convey a similar meaning include obsessed, infatuated, obsessed, and extreme. These words can be used to describe people who are deeply committed to a cause, hobby, or belief, and who exhibit extremely intense or passionate behavior. While zealotic behavior can be admirable in some cases, it can also be problematic if it leads to harmful or extreme behaviors. Therefore, it is important to balance one's passion with reason and responsibility.