'Short' in the Bible

Therefore, let us fear if, while a promise remains of entering His rest, any one of you may seem to have come short of it.

For they disciplined us for a short time as seemed best to them, but He disciplines us for our good, so that we may share His holiness.

See to it that no one comes short of the grace of God; that no root of bitterness springing up causes trouble, and by it many be defiled;