'Unfaithful' in the Bible
Confidence in an unfaithful man in time of trouble is like a broken tooth, and a foot out of joint.
Certainly thou hast never heard this; certainly thou hast never known this; certainly thine ear was never before opened: for I knew that being unfaithful thou would disobey; therefore, I called thee a rebel from the womb.
Then Jesus answered and said, O unfaithful and crooked generation, how long shall I be with you? How long shall I suffer you? Bring him here to me.
Answering, he said unto him, O unfaithful generation, how long shall I be with you? How long must I suffer you? Bring him unto me.
the lord of that slave will come in a day when he does not look for him and at an hour when he is not aware and will cut him off and will appoint him his portion with the unfaithful.
And what concord does Christ have with Belial? or what part do the faithful have with the unfaithful?
if we are unfaithful, yet he remains faithful; he cannot deny himself.
For unto the pure all things are pure, but unto those that are defiled and unfaithful, nothing is pure, but even their soul and conscience is defiled.
And if the righteous are saved with difficulty, where shall the unfaithful and the sinner appear?