IPA: /ɪˈnɔːrməsli/
KK: /ɪˈnɔrməsli/
To a very large or great extent; extremely.
The project was enormously successful, exceeding all expectations.
Enormously → It is formed from "enormis" (from Latin, meaning out of the norm or irregular) and the suffix "-ly" (meaning in a manner of). The word "enormously" means in a manner that is out of the norm or exceedingly large.
Think of something that is 'out of the norm' ('enormis') to remember that 'enormously' means in an exceedingly large manner.