fanatically

Adverb

1. In a fanatical manner; with extreme, irrational zeal or enthusiasm.
   • This argument, vaguely political in nature, took place as often as the two men met. It was a topsy-turvy affair, for the Englishman was bitterly anti-English and the Indian fanatically loyal. - 1934 October, George...
   • Islam was as fanatically monotheist and aniconist as any Jew could desire, and the sensational successes of its devotees in the military — and soon also in the missionary — field gave Christendom something new to think...
   • As I look back on that week in China two impressions stand out most vividly. One is the awesome sight of the disciplined but wildly—almost fanatically—enthusiastic audience at the gymnastic exhibition in Peking,...