Ezra 9:11

which You have commanded by Your servants the prophets, saying, ‘The land which you are entering to possess is an unclean land with the uncleanness of the peoples of the lands, with their abominations which have filled it from end to end and with their impurity.

Ezra 6:21

The sons of Israel who returned from exile and all those who had separated themselves from the impurity of the nations of the land to join them, to seek the Lord God of Israel, ate the Passover.

Leviticus 18:24-30

‘Do not defile yourselves by any of these things; for by all these the nations which I am casting out before you have become defiled.

Deuteronomy 12:31

You shall not behave thus toward the Lord your God, for every abominable act which the Lord hates they have done for their gods; for they even burn their sons and daughters in the fire to their gods.

Deuteronomy 18:12

For whoever does these things is detestable to the Lord; and because of these detestable things the Lord your God will drive them out before you.

2 Kings 21:16

Moreover, Manasseh shed very much innocent blood until he had filled Jerusalem from one end to another; besides his sin with which he made Judah sin, in doing evil in the sight of the Lord.

2 Chronicles 33:2

He did evil in the sight of the Lord according to the abominations of the nations whom the Lord dispossessed before the sons of Israel.

Ezra 9:1

Now when these things had been completed, the princes approached me, saying, “The people of Israel and the priests and the Levites have not separated themselves from the peoples of the lands, according to their abominations, those of the Canaanites, the Hittites, the Perizzites, the Jebusites, the Ammonites, the Moabites, the Egyptians and the Amorites.

Ezekiel 36:25-27

Then I will sprinkle clean water on you, and you will be clean; I will cleanse you from all your filthiness and from all your idols.

2 Corinthians 7:1

Therefore, having these promises, beloved, let us cleanse ourselves from all defilement of flesh and spirit, perfecting holiness in the fear of God.

Treasury of Scripture Knowledge

Summary

Which thou hast commanded by thy servants the prophets, saying, The land, unto which ye go to possess it, is an unclean land with the filthiness of the people of the lands, with their abominations, which have filled it from one end to another with their uncleanness.

General references

Bible References

The land

Ezra 9:1
Now when these things had been completed, the princes approached me, saying, “The people of Israel and the priests and the Levites have not separated themselves from the peoples of the lands, according to their abominations, those of the Canaanites, the Hittites, the Perizzites, the Jebusites, the Ammonites, the Moabites, the Egyptians and the Amorites.
Leviticus 18:24
‘Do not defile yourselves by any of these things; for by all these the nations which I am casting out before you have become defiled.
Deuteronomy 12:31
You shall not behave thus toward the Lord your God, for every abominable act which the Lord hates they have done for their gods; for they even burn their sons and daughters in the fire to their gods.
Deuteronomy 18:12
For whoever does these things is detestable to the Lord; and because of these detestable things the Lord your God will drive them out before you.
2 Chronicles 33:2
He did evil in the sight of the Lord according to the abominations of the nations whom the Lord dispossessed before the sons of Israel.

The filthiness

Ezra 6:21
The sons of Israel who returned from exile and all those who had separated themselves from the impurity of the nations of the land to join them, to seek the Lord God of Israel, ate the Passover.
Ezekiel 36:25
Then I will sprinkle clean water on you, and you will be clean; I will cleanse you from all your filthiness and from all your idols.
2 Corinthians 7:1
Therefore, having these promises, beloved, let us cleanse ourselves from all defilement of flesh and spirit, perfecting holiness in the fear of God.

General references

Judges 3:6
and they took their daughters for themselves as wives, and gave their own daughters to their sons, and served their gods.