A Brighter Day Begins with His Word.

BIBLE DICTIONARY

Adamant

(Heb. shamir), Ezek. 3:9. The Greek word adamas means diamond. This stone is not referred to, but corundum or some kind of hard steel. It is an emblem of firmness in resisting adversaries of the truth (Zech. 7:12), and of hard-heartedness against the truth (Jer. 17:1).

Scripture references

Ezekiel 3:9Zechariah 7:12Jeremiah 17:1

Source: Easton’s Bible Dictionary (1897). Historical dictionary wording may reflect the scholarship and language of its era.