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fanatical

adjective
 
 
/fəˈnæt.ɪ.kəl/ US  /-ˈnæt̬-/

Definition

describes someone whose admiration for something is considered to be extreme or unreasonable: His enthusiasm for aerobics was almost fanatical. Gary's fanatical about football.Excited, interested and enthusiastic fanatically
 
 
/-i/ adverb
The band has a fanatically loyal British following.Excited, interested and enthusiastic
fanaticism
 
 
/-sɪ.zəm/ noun [U]
Excitement, interest, energy and enthusiasm
(Definition of fanatical adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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