📖 Biblical Definition
An "everlasting covenant" (Hebrew berit olam) is one whose duration is unending. Scripture names several. The Noahic Covenant: "I will remember my covenant... an everlasting covenant between God and every living creature" (Genesis 9:16). The Abrahamic: "And I will establish my covenant between me and thee... for an everlasting covenant" (Genesis 17:7). The Davidic: "he hath made with me an everlasting covenant, ordered in all things, and sure" (2 Samuel 23:5). The New Covenant in Christ: "the blood of the everlasting covenant" (Hebrews 13:20). The Mosaic covenant, by contrast, was provisional — pointing forward to the everlasting one. In Christ, the everlasting covenant has come.
📜 Webster 1828 Definition
(Composite.) A covenant whose duration is unending; in Scripture, especially the New Covenant in Christ.
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Hebrew berit olam appears about 16 times in the Old Testament. The everlasting-ness lies in the LORD's commitment: He keeps the covenant forever, even when His human party is unfaithful for a season.
Hebrews 13:20 names Christ's covenant the everlasting one; Revelation 22 closes the Bible with the New Covenant in full unfading consummation.
📖 Key Scripture
Genesis 9:16 — "And the bow shall be in the cloud; and I will look upon it, that I may remember the everlasting covenant."
Genesis 17:7 — "And I will establish my covenant between me and thee... for an everlasting covenant."
2 Samuel 23:5 — "Yet he hath made with me an everlasting covenant, ordered in all things, and sure."
Hebrews 13:20 — "The God of peace, that brought again from the dead our Lord Jesus, that great shepherd of the sheep, through the blood of the everlasting covenant."
⚠️ Modern Corruption
Modern Christianity sometimes treats salvation as temporally fragile; Scripture roots it in an everlasting covenant whose duration matches God's own.
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The everlasting-ness of the covenant is the basis of the saint's perseverance. The covenant cannot be broken from God's side because His being is everlasting; the saint, hidden in the covenant, is safe from time itself.
Recover this and assurance deepens. The new covenant is not a limited-warranty contract; it is everlasting, sealed by Christ's blood, ratified by His resurrection, kept by His own faithfulness.
🔗 Greek & Hebrew Roots
Hebrew berit olam; Greek diathēkē aiōnios.
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Hebrew berit olam — everlasting covenant.
Greek diathēkē aiōnios — everlasting covenant; in Heb 13:20.
Usage
"The covenant is everlasting because God is."
"Hidden in the covenant, the saint is safe from time itself."
"The bow in the cloud is God's permanent reminder."