'Useless' in the Bible

for what, if certain were faithless? shall their faithlessness the faithfulness of god make useless?

Law then do we make useless through the faith? let it not be! yea, we do establish law.

for if they who are of law are heirs, the faith hath been made void, and the promise hath been made useless;

this knowing, that our old man was crucified with him, that the body of the sin may be made useless, for our no longer serving the sin;