fanatical
🇺🇸
/fəˈnætɪkl/
🇬🇧
/fəˈnætɪkl/
having or showing strong beliefs or feelings in a way that can be too much.
He has fanatical beliefs that prevent him from listening to anyone else.
very excited and interested in something.
She is fanatical about playing soccer, practicing every single day.