IPA: /ˈlaʊdnəs/
KK: /ˈlaʊdnəs/
The quality or state of being loud, which refers to how strong or intense a sound is.
The loudness of the music made it hard to hear the conversation.
Loudness → It is formed from "loud" (from Old English *hlud*, meaning having a strong sound) and "-ness" (a suffix used to form nouns indicating a state or quality). The word "loudness" refers to the quality or state of being loud.
Think of the word 'loud' which describes a strong sound, and remember that 'loudness' means the quality of having that strong sound.