What is the Second Death?
Question 10099
The phrase “second death” appears four times in Scripture, all in the book of Revelation, and it represents the final and eternal state of all who die without saving faith in Jesus. If the first death is the physical death that all humans experience due to Adam’s sin, the second death is something far more terrible—eternal separation from God in the lake of fire. Understanding this doctrine rightly should produce both holy fear and profound gratitude in every believer.
The Biblical References
The term “second death” (θάνατος δεύτερος, thanatos deuteros) is found exclusively in Revelation. In Revelation 2:11, Jesus promises the church at Smyrna: “The one who conquers will not be hurt by the second death.” In Revelation 20:6, John declares: “Blessed and holy is the one who shares in the first resurrection! Over such the second death has no power.” Then in Revelation 20:14 we read: “Then Death and Hades were thrown into the lake of fire. This is the second death, the lake of fire.” Finally, Revelation 21:8 lists those who will experience it: “But as for the cowardly, the faithless, the detestable, as for murderers, the sexually immoral, sorcerers, idolaters, and all liars, their portion will be in the lake that burns with fire and sulphur, which is the second death.”
Notice that John explicitly defines the second death for us: it is the lake of fire. This is not merely death in another form—it is the final, eternal state of condemnation.
The Contrast with Physical Death
To understand the second death, we must first understand the first death. Physical death entered the world through Adam’s sin (Romans 5:12). God had warned Adam, “in the day that you eat of it you shall surely die” (Genesis 2:17). The Hebrew construction here, מוֹת תָּמוּת (mot tamut), literally means “dying you shall die”—emphasising certainty and perhaps indicating a process that begins immediately and culminates physically.
Adam and Eve did not physically die the moment they ate the fruit, but they died spiritually—separated from the intimate fellowship they had enjoyed with God. Physical death followed later. Ever since, all human beings have been born spiritually dead (Ephesians 2:1) and eventually experience physical death (Hebrews 9:27).
But physical death is not the end of existence. The body returns to dust, but the soul continues in conscious existence—either in the presence of God or in Hades, the temporary place of the unbelieving dead. This intermediate state is followed, eventually, by resurrection. Believers are resurrected to eternal life; unbelievers are resurrected to face judgement.
The second death occurs after this resurrection of the unbelieving dead. They are raised with bodies—resurrected—only to be cast into the lake of fire. This is death in its fullest, most complete sense. Not the cessation of existence, but eternal conscious separation from God, the source of all life, goodness, and blessing.
The Nature of the Second Death
Some have suggested that the second death means annihilation—that the wicked simply cease to exist. But this interpretation does not fit the biblical data. In Revelation 20:10, we read that the devil “will be tormented day and night forever and ever.” The same lake of fire that receives Satan also receives those whose names are not in the Book of Life. If Satan experiences conscious, eternal torment there, it follows that humans cast into the same place experience the same fate.
Jesus repeatedly described hell using the imagery of unquenchable fire and undying worms (Mark 9:48, quoting Isaiah 66:24). He spoke of outer darkness where there is “weeping and gnashing of teeth” (Matthew 8:12; 22:13; 25:30)—language that implies conscious suffering, not extinction. In the account of the rich man and Lazarus, Jesus depicts the rich man in Hades—the intermediate state—fully conscious, able to see, speak, feel pain, and remember his earthly life (Luke 16:19-31). If the intermediate state involves conscious existence, how much more the final state?
The second death, then, is not the end of existence but the end of all hope. It is death in the sense of being cut off from everything that makes existence worthwhile—from God, from blessing, from light, from joy—forever.
Who Experiences the Second Death?
Revelation 21:8 provides a sobering list: “the cowardly, the faithless, the detestable, murderers, the sexually immoral, sorcerers, idolaters, and all liars.” At first glance, this might seem to suggest that certain sins doom a person to the second death while others do not. But notice that the list includes “the faithless” (ἄπιστος, apistos)—those who do not believe. This is the root issue. The other sins listed are manifestations of a life lived apart from God.
Paul provides similar lists in 1 Corinthians 6:9-10 and Galatians 5:19-21, but he immediately adds that such were some of the Corinthian believers—but they had been washed, sanctified, and justified (1 Corinthians 6:11). The difference between those who experience the second death and those who don’t is not the absence of sin but the presence of saving faith in Jesus. Those who trust in Him are forgiven and clothed in His righteousness. Those who reject Him remain in their sins and face the consequence.
The Security of Believers
Here is the glorious news for every believer: the second death has no power over you. Jesus promised in Revelation 2:11, “The one who conquers will not be hurt by the second death.” And in Revelation 20:6, participation in the first resurrection guarantees immunity: “Over such the second death has no power.”
Why is this so? Because Jesus has already died in your place. He experienced the full weight of God’s wrath against sin on the cross. He tasted death for everyone (Hebrews 2:9). For the believer, physical death has been transformed from a curse into a doorway—”to depart and be with Christ, for that is far better” (Philippians 1:23). And the second death? It has been rendered powerless. Jesus holds “the keys of Death and Hades” (Revelation 1:18). He has conquered, and in Him, so have you.
This is not presumption; it is assurance based on God’s promise. “There is therefore now no condemnation for those who are in Christ Jesus” (Romans 8:1). The judgement you deserved fell on Him. The death you earned was paid by Him. You will never face the second death because He faced it for you.
Conclusion
The second death is the final, eternal state of all who die without faith in Jesus—conscious, everlasting separation from God in the lake of fire. It is called “death” not because existence ceases but because it is the complete and permanent loss of everything that makes existence meaningful. For those outside of Jesus, it is the most sobering reality imaginable. But for those who are in Him, the second death has no power whatsoever. Jesus has conquered death in all its forms, and those who trust in Him share in His victory. What grace this is! Let us hold fast to this hope and share it urgently with those who are still heading toward the second death without knowing what awaits them.
“The one who conquers will not be hurt by the second death.” Revelation 2:11
Bibliography
- Walvoord, John F. The Revelation of Jesus Christ. Chicago: Moody Press, 1966.
- Thomas, Robert L. Revelation 1-7: An Exegetical Commentary. Chicago: Moody Press, 1992.
- Thomas, Robert L. Revelation 8-22: An Exegetical Commentary. Chicago: Moody Press, 1995.
- Peterson, Robert A. Hell on Trial: The Case for Eternal Punishment. Phillipsburg, NJ: P&R Publishing, 1995.
- Morgan, Christopher W., and Robert A. Peterson, eds. Hell Under Fire. Grand Rapids: Zondervan, 2004.