Extremists can be fanatical in their actions in a chosen cause.
The temperance leader Carrie Nation was considered fanatical after she began using a hatchet to damage bars and saloons.
They were fanatical about the team and never missed a match.
Fanatical people are usually irrational, and are not good conversationalists.
The cult's followers were filled with fanatical devotion.
The prefix for obsessive would be obsism, and the prefix for fanatical would be fanatism.
fanatical
Fanatical They were fanatical followers of the band. Sarah was very fanatical about One Direction, a band. She was crazy fanatical!! Other ways to use it: She was a huge fan. Cody Simpson had millions of fans at his concert.
Fanatical:being over zealous about a subject.For example: People can be fanatical about their favorite sport,religion,celebrity or hobby etc...A way to use this word in speaking, may be:My brother is SO fanatical about football,he won't go anywhere when a games on!
I am not writing a sentence using that word.
I can give you a sentence using the word galaxy.
a sentence using the word endotracheal
This is a sentence using the word aviator.
I am saying a sentence using the word collagen.