fanatical

/fəˈnætɪkəl/
adjective
  1. Extremely enthusiastic or devoted, often in an excessive or unreasonable way.
    • Her fanatical dedication to her studies earned her top grades but left her with no social life.
    • The fans were fanatical, camping outside the stadium for three days before the concert.
    • The dictator's fanatical followers would do anything he commanded.
Antonyms
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