noun
- a person with extreme and unreasoning enthusiasm or zeal for something
adjective
- marked by excessive enthusiasm and often intense uncritical devotion
Examples
- He’s a fitness fanatic who exercises three hours every day.
- The religious fanatic refused to listen to any opposing views.
- She became a fanatic supporter of the environmental movement.
- His fanatic devotion to the team worried his friends.
- The coach’s fanatic attention to detail helped the team win.
- Music fanatics lined up for hours to buy concert tickets.