'Adulterous' in the Bible

For a harlot is a deep pitAnd an adulterous woman is a narrow well.

Take his garment when he becomes surety for a stranger;And for an adulterous woman hold him in pledge.

This is the way of an adulterous woman:She eats and wipes her mouth,And says, “I have done no wrong.”

Then those of you who escape will remember Me among the nations to which they will be carried captive, how I have been hurt by their adulterous hearts which turned away from Me, and by their eyes which played the harlot after their idols; and they will loathe themselves in their own sight for the evils which they have committed, for all their abominations.