'World' in the Bible

For our glorying is this: the testimony of our conscience, that in simplicity and sincerity of God, not in fleshly wisdom, but in the grace of God, we did conduct ourselves in the world, and more abundantly toward you;

how that God was in Christ -- a world reconciling to Himself, not reckoning to them their trespasses; and having put in us the word of the reconciliation,

for the sorrow toward God reformation to salvation not to be repented of doth work, and the sorrow of the world doth work death,