'Unfaithful' in the Bible

Because their mother was unfaithful; she who conceived them has acted shamefully, for she said: "I will go after my lovers, the ones who give [me] my bread, my water, my wool, and my flax, my oil, and my drink."

My people consult with their wooden idol, and answer to a stick of wood. Indeed the spirit of prostitution has led them astray, and they have been unfaithful to their God.

They have been unfaithful to the LORD, having raised unbelieving children. In the coming month they will be devoured, along with their fields.

At Adam they broke the covenant; Oh how they were unfaithful to me!

O Israel, do not rejoice jubilantly like the nations, for you are unfaithful to your God. You love to receive a prostitute's wages on all the floors where you thresh your grain.

Ephraim surrounds me with falsehood, and the house of Israel with deceit. Judah still strays from God, and is unfaithful to the Holy One.