She was 'fanatically' devoted to her job.
a religious 'fanatic' [='extremist']
He is 'fanatical about' boating.
(..) through the night. The night of the fire. The night of the big fire in Silent Hill. There were these people... ...these fanatics. What they did to that child was terrible. That was years ago, and it's over now. Not as far as I'm concerned. (..)2006 Silent Hill