'Spared' in the Bible

He who, yea, has not spared his own Son, but delivered him up for us all, how shall he not also with him grant us all things?

if God indeed has not spared the natural branches; lest it might be he spare not thee either.

For if God spared not the angels who had sinned, but having cast them down to the deepest pit of gloom has delivered them to chains of darkness to be kept for judgment;

and spared not the old world, but preserved Noe, the eighth, a preacher of righteousness, having brought in the flood upon the world of the ungodly;