IPA: /ˈlaʊdli/
KK: /ˈlaʊdli/
In a way that produces a lot of noise or sound; at a high volume.
The music played loudly at the party, making it hard to talk.
Loudly → It is formed from "loud" (from Old English *hlud*, meaning having a strong sound) and the suffix "-ly" (meaning in a manner of). The word "loudly" means in a manner that is strong in sound or noise.
Think of the word 'loud' which means having a strong sound, and remember that 'loudly' describes doing something in a strong-sounding way.