'Back' in the Bible

it is impossible, I say, to keep bringing them back to a new repentance, for, to their own undoing, they are repeatedly crucifying the Son of God afresh and exposing Him to open shame.

For we know who it is that has said, "Vengeance belongs to Me: I will pay back;" and again, "The Lord will be His people's judge."

But it is by faith that My righteous servant shall live; and if he shrinks back, My soul takes no pleasure in him."

But we are not people who shrink back and perish, but are among those who believe and gain possession of their souls.

Women received back their dear ones alive from the dead; and others were put to death with torture, refusing the deliverance offered to them--that they might secure a better resurrection.

Be carefully on your guard lest there be any one who falls back from the grace of God; lest any root bearing bitter fruit spring up and cause trouble among you, and through it the whole brotherhood be defiled;