'Defiling' in the Bible

“Thus you shall keep the sons of Israel separated from their uncleanness, so that they will not die in their uncleanness by their defiling My tabernacle that is among them.”

When you offer your gifts, when you cause your sons to pass through the fire, you are defiling yourselves with all your idols to this day. And shall I be inquired of by you, O house of Israel? As I live,” declares the Lord God, “I will not be inquired of by you.