What is worldliness?

Scriptures definition of what worldliness is.
Heard the good news?
https://rumble.com/vm9asu-the-gospel.html

Scriptures addressed in this video:
John 8:23
1 Corinthians 2:12
Colossians 2:8
James 4:2
James 4:4
1 John 2:15
1 John 2:16