Verses with the word hardened in the Old Testament (28 verses):

Exodus 7:13
And he hardened Pharaoh's heart, that he hearkened not unto them; as the LORD had said.

Exodus 7:14
And the LORD said unto Moses, Pharaoh's heart is hardened, he refuseth to let the people go.

Exodus 7:22
And the magicians of Egypt did so with their enchantments: and Pharaoh's heart was hardened, neither did he hearken unto them; as the LORD had said.

Exodus 8:15
But when Pharaoh saw that there was respite, he hardened his heart, and hearkened not unto them; as the LORD had said.

Exodus 8:19
Then the magicians said unto Pharaoh, This is the finger of God: and Pharaoh's heart was hardened, and he hearkened not unto them; as the LORD had said.

Exodus 8:32
And Pharaoh hardened his heart at this time also, neither would he let the people go.

Exodus 9:7
And Pharaoh sent, and, behold, there was not one of the cattle of the Israelites dead. And the heart of Pharaoh was hardened, and he did not let the people go.

Exodus 9:12
And the LORD hardened the heart of Pharaoh, and he hearkened not unto them; as the LORD had spoken unto Moses.

Exodus 9:34
And when Pharaoh saw that the rain and the hail and the thunders were ceased, he sinned yet more, and hardened his heart, he and his servants.

Exodus 9:35
And the heart of Pharaoh was hardened, neither would he let the children of Israel go; as the LORD had spoken by Moses.

Exodus 10:1
And the LORD said unto Moses, Go in unto Pharaoh: for I have hardened his heart, and the heart of his servants, that I might shew these my signs before him:

Exodus 10:20
But the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go.

Exodus 10:27
But the LORD hardened Pharaoh's heart, and he would not let them go.

Exodus 11:10
And Moses and Aaron did all these wonders before Pharaoh: and the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go out of his land.

Exodus 14:8
And the LORD hardened the heart of Pharaoh king of Egypt, and he pursued after the children of Israel: and the children of Israel went out with an high hand.

Deuteronomy 2:30
But Sihon king of Heshbon would not let us pass by him: for the LORD thy God hardened his spirit, and made his heart obstinate, that he might deliver him into thy hand, as appeareth this day.

1 Samuel 6:6
Wherefore then do ye harden your hearts, as the Egyptians and Pharaoh hardened their hearts? when he had wrought wonderfully among them, did they not let the people go, and they departed?

2 Kings 17:14
Notwithstanding they would not hear, but hardened their necks, like to the neck of their fathers, that did not believe in the LORD their God.

2 Chronicles 36:13
And he also rebelled against king Nebuchadnezzar, who had made him swear by God: but he stiffened his neck, and hardened his heart from turning unto the LORD God of Israel.

Nehemiah 9:16
But they and our fathers dealt proudly, and hardened their necks, and hearkened not to thy commandments,

Nehemiah 9:17
And refused to obey, neither were mindful of thy wonders that thou didst among them; but hardened their necks, and in their rebellion appointed a captain to return to their bondage: but thou art a God ready to pardon, gracious and merciful, slow to anger, and of great kindness, and forsookest them not.

Nehemiah 9:29
And testifiedst against them, that thou mightest bring them again unto thy law: yet they dealt proudly, and hearkened not unto thy commandments, but sinned against thy judgments, (which if a man do, he shall live in them;) and withdrew the shoulder, and hardened their neck, and would not hear.

Job 9:4
He is wise in heart, and mighty in strength: who hath hardened himself against him, and hath prospered?

Job 39:16
She is hardened against her young ones, as though they were not her's: her labour is in vain without fear;

Isaiah 63:17
O LORD, why hast thou made us to err from thy ways, and hardened our heart from thy fear? Return for thy servants' sake, the tribes of thine inheritance.

Jeremiah 7:26
Yet they hearkened not unto me, nor inclined their ear, but hardened their neck: they did worse than their fathers.

Jeremiah 19:15
Thus saith the LORD of hosts, the God of Israel; Behold, I will bring upon this city and upon all her towns all the evil that I have pronounced against it, because they have hardened their necks, that they might not hear my words.

Daniel 5:20
But when his heart was lifted up, and his mind hardened in pride, he was deposed from his kingly throne, and they took his glory from him: