'World' in the Bible

Whereby are given unto us exceeding great and precious promises: that by these ye might be partakers of the divine nature, having escaped the corruption that is in the world through lust.

And spared not the old world, but saved Noah the eighth person, a preacher of righteousness, bringing in the flood upon the world of the ungodly;

For if after they have escaped the pollutions of the world through the knowledge of the Lord and Saviour Jesus Christ, they are again entangled therein, and overcome, the latter end is worse with them than the beginning.

Saying, Where is the hope of his coming? From the death of the fathers till now everything has gone on as it was from the making of the world.

Whereby the world that then was, being overflowed with water, perished:

But the day of the Lord will come like a thief; and in that day the heavens will be rolled up with a great noise, and the substance of the earth will be changed by violent heat, and the world and everything in it will be burned up.

And consider the patience of our Lord [His delay in judging and avenging wrongs] as salvation [that is, allowing time for more to be saved]; just as our beloved brother Paul also wrote to you according to the wisdom given to him [by God],