adamant (Ad´uh-muhnt)

An impenetrable hard substance, at one time identified with the diamond. It is used of Judah’s sinful heart (Zech 7:12) and of Ezekiel’s forehead (Ezek 3:9).

Zech 7:12

12They made their hearts adamant in order not to hear the law and the words that the Lord of hosts had sent by his spirit through the former prophets. Therefore ... View more


9Like the hardest stone, harder than flint, I have made your forehead; do not fear them or be dismayed at their looks, for they are a rebellious house.

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