fanaticism

play
noun fa·nat·i·cism \fə-ˈna-tə-ˌsi-zəm\

Definition of fanaticism

  1. :  fanatic outlook or behavior

1652

First Known Use of fanaticism

1652


Medical Dictionary

fanaticism

play
noun fa·nat·i·cism \fə-ˈnat-ə-ˌsiz-əm\

Medical Definition of fanaticism

  1. :  fanatic outlook or behavior especially as exhibited by excessive enthusiasm, unreasoning zeal, or wild and extravagant notions on some subject



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