Definition of fanatical in English:

fanatical

Syllabification: fa·nat·i·cal
Pronunciation: /fəˈnatikəl
 
/

adjective

  • 1Filled with excessive and single-minded zeal: fanatical revolutionaries
    More example sentences
    • The village folk take the palm leaf books as the store house of precious occult knowledge and guard them with fanatical zeal.
    • But such measures offer no deterrent to a single fanatical suicide attacker.
    • The elimination of all relics of the Hashemites was undertaken with fanatical zeal.
    Synonyms
    zealous, extremist, extreme, militant, dogmatic, radical, diehard; intolerant, single-minded, blinkered, inflexible, uncompromising, hardcore
  • 1.1Obsessively concerned with something: he was fanatical about security at night
    More example sentences
    • Mr Able usually wore a hat and had long grey hair and was fanatical about music, especially The Beatles.
    • Those of you familiar with my column know I'm pretty fanatical about security.
    • They are rather fanatical about lengthening their own lives and fending off death indefinitely.
    Synonyms
    enthusiastic, eager, keen, overkeen, fervent, ardent, passionate; obsessive, obsessed, fixated, compulsive
    informal wild, gung-ho, nuts, crazy, hog-wild
    vulgar slang batshit

Derivatives

fanatically

Pronunciation: /-(ə)lē/
adverb
More example sentences
  • He was a conscientious objector, like me, but the big difference between us was, he was ferociously anti-smoking whereas I have always been fanatically pro it.
  • He wasn't even moderately religious, let alone fanatically religious.
  • Fishing was another sport in which Liam was fanatically interested and he was a member of Borris and Kilkenny Anglers' Clubs.

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