形容詞 fanatical:

1. marked by excessive enthusiasm for and intense devotion to a cause or idea
   同義詞：fanatic, overzealous, rabid

1. That who shows fanatical worship to that actor has been crowded into his dressing room doorway.
   對那位演員表示崇拜的狂熱者們擠進了他的化妝室門口。
2. My friend, Crawley, has always been a fanatical opponent of Mr Lane's Radical Progressive Party.
   我的朋友Crawley一直是Lane先生激進黨的一名狂熱反對者。
3. Militant devotion to and glorification of one's country; fanatical patriotism.
   沙文主義對國家的軍事效忠以及美化; 狂熱的愛國主義

fa.nat.i.cal

adj.（形容詞）
Possessed with or motivated by excessive, irrational zeal.
狂熱的：充滿狂熱或受不理智的熱情所支配的；不理智的狂熱的

【引伸】
fanat.ically
adv.（副詞）
fanat.icalness
n.（名詞）