'Spare' in the Bible

But when he came to himself he said, How many hired servants of my father's have bread enough and to spare, and I perish here with hunger!

for if God spared not the natural branches, neither will he spare thee.

But shouldest thou marry, thou hast not sinned; and if a virgin marry, she hath not sinned. Yet such shall have tribulation in the flesh: and I would spare you.

But I call God for a witness upon my soul, that to spare you I forbare to come unto Corinth.

I have said beforehand, and I do say beforehand, as when I was present the second time, so now, being absent, to them that have sinned heretofore, and to all the rest, that, if I come again, I will not spare;