n.
Pronunciation: f ə - ' na-tik
Variant: or fa · nat · i · cal \ -ti-k ə l \
Function: adjective
Etymology: Latin fanaticus inspired by a deity, frenzied, from fanum temple ― more at FEAST
Date: 1550
: marked by excessive enthusiasm and often intense uncritical devotion <they're fanatic about politics>
– fanatic noun
– fa · nat · i · cal · ly \ f ə - ' na-ti-k( ə -)l ē \ adverb
– fa · nat · i · cal · ness \ -k ə l-n ə s \ noun