She was 'fanatically' devoted to her job.
a religious 'fanatic' [='extremist']
He is 'fanatical about' boating.
(..) no clearly defined battle zones. The issue was segregation, and segregation was everywhere. In Selma, we can concentrate our actions on one building. A citadel, defended by fanatics. The Selma Courthouse. A perfect stage. Y'all deliberately causing an obstruction! You don't disperse, (..)2014 Selma