fa·nat·ic 
/fəˈnætɪk/ noun
plural fa·nat·ics /fəˈnætɪk/ noun [count] 1 : a person who is very enthusiastic about something
▪ I became a boating fanatic. 2 disapproving : someone who has extreme ideas about politics, religion, etc.
▪ a religious fanatic [=extremist]
▪ I became a boating fanatic.
▪ a religious fanatic [=extremist]
— fanatic or fa·nat·i·cal /fəˈnætɪkəl/ adjective [more fanatic; most fanatic]
▪ a fanatic supporter ▪ fanatical zeal/devotion/loyalty — often + about ▪ She's fanatical about her job. ▪ He is fanatical about boating.
/fəˈnætɪkəl/ adjective [more fanatic; most fanatic] ▪ a fanatic supporter ▪ fanatical zeal/devotion/loyalty — often + about ▪ She's fanatical about her job. ▪ He is fanatical about boating.
— fa·nat·i·cal·ly /fəˈnætɪkli/ adverb
▪ She was fanatically devoted to her job.
/fəˈnætɪkli/ adverb ▪ She was fanatically devoted to her job.
— fa·nat·i·cism /fəˈnætəˌsɪzəm/ noun [noncount]
▪ religious fanaticism
/fəˈnætəˌsɪzəm/ noun [noncount] ▪ religious fanaticism
