Deuteronomy 2:34

At that time we took all his towns, and gave them over to complete destruction, together with men, women, and children; we had no mercy on any:

Deuteronomy 7:2

And when the Lord has given them up into your hands and you have overcome them, give them up to complete destruction: make no agreement with them, and have no mercy on them:

Deuteronomy 3:6

And we put them to the curse, every town together with men, women, and children.

1 Samuel 15:3

Go now and put Amalek to the sword, putting to the curse all they have, without mercy: put to death every man and woman, every child and baby at the breast, every ox and sheep, camel and ass.

Leviticus 27:28-29

But nothing which a man has given completely to the Lord, out of all his property, of man or beast, or of the land which is his heritage, may be given away or got back in exchange for money; anything completely given is most holy to the Lord.

Numbers 21:2-3

Then Israel made an oath to the Lord, and said, If you will give up this people into my hands, then I will send complete destruction on all their towns.

Deuteronomy 7:26

And you may not take a disgusting thing into your house, and so become cursed with its curse: but keep yourselves from it, turning from it with fear and hate, for it is a cursed thing.

Deuteronomy 20:16-18

But in the towns of these peoples whose land the Lord your God is giving you for your heritage, let no living thing be kept from death:

Joshua 7:11

Israel has done wrong, sinning against the agreement which I made with them: they have even taken of the cursed thing; acting falsely like thieves they have put it among their goods.

Joshua 8:25-26

On that day twelve thousand were put to death, men and women, all the people of Ai.

Joshua 9:24

And, answering Joshua, they said, Because it came to the ears of your servants that the Lord your God had given orders to his servant Moses to give you all this land, and to send destruction on all the people living in it, because of you; so, fearing greatly for our lives because of you, we have done this.

Joshua 11:14

And all the goods taken from these towns, and their cattle, the children of Israel kept for themselves; but every man they put to death without mercy, till their destruction was complete, and there was no one living.

1 Samuel 15:8-9

He took Agag, king of the Amalekites, prisoner, and put all the people to the sword without mercy.

Treasury of Scripture Knowledge

Summary

And we took all his cities at that time, and utterly destroyed the men, and the women, and the little ones, of every city, we left none to remain:

Bible References

Utterly destroyed

Deuteronomy 7:2
And when the Lord has given them up into your hands and you have overcome them, give them up to complete destruction: make no agreement with them, and have no mercy on them:
Deuteronomy 20:16
But in the towns of these peoples whose land the Lord your God is giving you for your heritage, let no living thing be kept from death:
Leviticus 27:28
But nothing which a man has given completely to the Lord, out of all his property, of man or beast, or of the land which is his heritage, may be given away or got back in exchange for money; anything completely given is most holy to the Lord.
Numbers 21:2
Then Israel made an oath to the Lord, and said, If you will give up this people into my hands, then I will send complete destruction on all their towns.
Joshua 7:11
Israel has done wrong, sinning against the agreement which I made with them: they have even taken of the cursed thing; acting falsely like thieves they have put it among their goods.
Joshua 8:25
On that day twelve thousand were put to death, men and women, all the people of Ai.
Joshua 9:24
And, answering Joshua, they said, Because it came to the ears of your servants that the Lord your God had given orders to his servant Moses to give you all this land, and to send destruction on all the people living in it, because of you; so, fearing greatly for our lives because of you, we have done this.
Joshua 11:14
And all the goods taken from these towns, and their cattle, the children of Israel kept for themselves; but every man they put to death without mercy, till their destruction was complete, and there was no one living.
1 Samuel 15:3
Go now and put Amalek to the sword, putting to the curse all they have, without mercy: put to death every man and woman, every child and baby at the breast, every ox and sheep, camel and ass.

General references

Numbers 31:15
And Moses said to them, Why have you kept all the women safe?
Deuteronomy 3:3
So the Lord our God gave up Og, king of Bashan, and all his people into our hands; and we overcame him so completely that all his people came to their end in the fight.
Joshua 24:8
And I took you into the lands of the Amorites on the other side of Jordan; and they made war on you, and I gave them into your hands and you took their land; and I sent destruction on them before you.

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