'World' in the Bible

The saying is faithful and worthy of all acceptance, that Christ Jesus came into the world to save sinners; of whom I am chief.

Without controversy, the mystery of godliness is great: God was revealed in the flesh, justified in the spirit, seen by angels, preached among the nations, believed on in the world, and received up in glory.

For we brought nothing into the world, and we certainly can't carry anything out.

Charge those who are rich in this present world that they not be haughty, nor have their hope set on the uncertainty of riches, but on the living God, who richly provides us with everything to enjoy;