Ezra 9:11

Which you gave to your servants the prophets, saying, The land into which you are going, to take it for a heritage, is an unclean land, because of the evil lives of the peoples of the land and their disgusting ways, which have made the land unclean from end to end.

Ezra 6:21

And the children of Israel, who had come back, and all those who were joined to them, after separating themselves from the evil ways of the people of the land to become the servants of the Lord, the God of Israel, took food together,

Leviticus 18:24-30

Do not make yourself unclean in any of these ways; for so have those nations whom I am driving out from before you made themselves unclean:

Deuteronomy 12:31

Do not so to the Lord your God: for everything which is disgusting to the Lord and hated by him they have done in honour of their gods: even burning their sons and daughters in the fire to their gods.

Deuteronomy 18:12

For all who do such things are disgusting to the Lord; and because of these disgusting things the Lord your God is driving them out before you.

2 Kings 21:16

More than this, Manasseh took the lives of upright men, till Jerusalem from one end to the other was full of blood; in addition to his sin in making Judah do evil in the eyes of the Lord.

2 Chronicles 33:2

He did evil in the eyes of the Lord, copying the disgusting ways of the nations whom the Lord had sent out of the land before the children of Israel.

Ezra 9:1

Now after these things were done, the captains came to me and said, The people of Israel and the priests and Levites have not kept themselves separate from the people of the lands, but have taken part in the disgusting ways of the Canaanites, the Hittites, the Perizzites, the Jebusites, the Ammonites, the Moabites, the Egyptians, and the Amorites.

Ezekiel 36:25-27

And I will put clean water on you so that you may be clean: from all your unclean ways and from all your images I will make you clean.

2 Corinthians 7:1

Because God, then, will give us such rewards, dear brothers, let us make ourselves clean from all evil of flesh and spirit, and become completely holy 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 after these things were done, the captains came to me and said, The people of Israel and the priests and Levites have not kept themselves separate from the people of the lands, but have taken part in the disgusting ways of the Canaanites, the Hittites, the Perizzites, the Jebusites, the Ammonites, the Moabites, the Egyptians, and the Amorites.
Leviticus 18:24
Do not make yourself unclean in any of these ways; for so have those nations whom I am driving out from before you made themselves unclean:
Deuteronomy 12:31
Do not so to the Lord your God: for everything which is disgusting to the Lord and hated by him they have done in honour of their gods: even burning their sons and daughters in the fire to their gods.
Deuteronomy 18:12
For all who do such things are disgusting to the Lord; and because of these disgusting things the Lord your God is driving them out before you.
2 Chronicles 33:2
He did evil in the eyes of the Lord, copying the disgusting ways of the nations whom the Lord had sent out of the land before the children of Israel.

The filthiness

Ezra 6:21
And the children of Israel, who had come back, and all those who were joined to them, after separating themselves from the evil ways of the people of the land to become the servants of the Lord, the God of Israel, took food together,
Ezekiel 36:25
And I will put clean water on you so that you may be clean: from all your unclean ways and from all your images I will make you clean.
2 Corinthians 7:1
Because God, then, will give us such rewards, dear brothers, let us make ourselves clean from all evil of flesh and spirit, and become completely holy in the fear of God.

General references

Judges 3:6
And they took as wives the daughters of these nations and gave their daughters to their sons, and became servants to their gods.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain