energumen

/ˌɛnərˈɡjumən/
noun
  1. A person who is extremely enthusiastic or fanatical about something.
    • The crowd of energumens cheered wildly at the political rally.
    • My brother is a total energumen when it comes to collecting vintage comic books.
    • He was an energumen for environmental causes, spending every weekend planting trees.
  2. A person believed to be possessed by a demon or evil spirit (historical/religious sense).
    • In medieval times, an energumen was often brought to a priest for an exorcism.
    • Historians study accounts of energumens to understand ancient beliefs about possession.
    • The old text described the strange behavior of an energumen in the village.
What does "energumen" mean? | whatsthatwordmean | whatsthatwordmean