Deuteronomy 24:4
Her former husband who sent her away, may not take her again to be his wife, after that she is defiled; for that is abomination before the LORD: and thou shalt not cause the land to sin, which the LORD thy God giveth thee for an inheritance.
Jeremiah 3:1
They say, If a man shall put away his wife, and she shall go from him, and become another man's, shall he return to her again? shall not that land be greatly polluted? but thou hast played the harlot with many lovers; yet return again to me, saith the LORD.
Leviticus 18:24-28
Defile not ye yourselves in any of these things; for in all these the nations are defiled which I cast out before you:
Joshua 22:17-18
Is the iniquity of Peor too little for us, from which we are not cleansed until this day, although there was a plague in the congregation of the LORD,