fanatical
adjective /fəˈnætɪkl/
/fəˈnætɪkl/
- (also fanatic)(disapproving) holding, expressing or connected with extreme or dangerous opinions synonym extremist
- fanatical anti-royalists
- a fanatical right-wing organization
- fanatical views
- (informal) extremely enthusiastic
- a fanatical supporter of the team
- their fanatical devotion to the show
- fanatical about something She's fanatical about healthy eating.