'Unfaithfulness' in the Bible

‘If they confess their iniquity and the iniquity of their forefathers, in their unfaithfulness which they committed against Me, and also in their acting with hostility against Me—

Your sons shall be shepherds for forty years in the wilderness, and they will suffer for your unfaithfulness, until your corpses lie in the wilderness.

So all Israel was enrolled by genealogies; and behold, they are written in the Book of the Kings of Israel. And Judah was carried away into exile to Babylon for their unfaithfulness.

Moreover, all the utensils which King Ahaz had discarded during his reign in his unfaithfulness, we have prepared and consecrated; and behold, they are before the altar of the Lord.”

His prayer also and how God was entreated by him, and all his sin, his unfaithfulness, and the sites on which he built high places and erected the Asherim and the carved images, before he humbled himself, behold, they are written in the records of the Hozai.

For they have taken some of their daughters as wives for themselves and for their sons, so that the holy race has intermingled with the peoples of the lands; indeed, the hands of the princes and the rulers have been foremost in this unfaithfulness.”

Then everyone who trembled at the words of the God of Israel on account of the unfaithfulness of the exiles gathered to me, and I sat appalled until the evening offering.

Then Ezra rose from before the house of God and went into the chamber of Jehohanan the son of Eliashib. Although he went there, he did not eat bread nor drink water, for he was mourning over the unfaithfulness of the exiles.

“Son of man, if a country sins against Me by committing unfaithfulness, and I stretch out My hand against it, destroy its supply of bread, send famine against it and cut off from it both man and beast,