IPA: /fəˈnætɪkli/
KK: /fəˈnætɪkli/
In a way that shows extreme enthusiasm or devotion, often to an irrational degree.
She fanatically supports her favorite sports team, attending every game and wearing their colors proudly.
Fanatically → It is formed from "fanaticus" (from Latin, meaning inspired by a deity or a temple) and the suffix "-ally" (meaning in a manner). The word "fanatically" means in a manner that is inspired or excessively enthusiastic, often to an extreme degree.
Think of being inspired by a deity ('fanaticus') and acting in an extreme manner ('-ally'). This helps you remember that 'fanatically' describes someone who is excessively enthusiastic.