📖 Biblical Definition
A settled resentment of soul that refuses forgiveness and poisons community. Hebrews 12:15 issues the warning: Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble you, and thereby many be defiled. The image of root of bitterness draws on Deuteronomy 29:18, where the LORD warns against any in Israel whose heart turneth away this day from the LORD our God, becoming a root that beareth gall and wormwood. Bitterness is not the same as grief or hurt; those are universal human responses to genuine harm. Bitterness is the settled refusal to release the offense to God's justice, the nursing of grievance until it becomes identity. Paul commands its removal: Let all bitterness, and wrath, and anger, and clamour, and evil speaking, be put away from you, with all malice: And be ye kind one to another, tenderhearted, forgiving one another, even as God for Christ's sake hath forgiven you (Eph 4:31-32). The poison spreads from the bitter heart to defile many; the cure is the cross-grounded release.
📜 Webster 1828 Definition
A poisoned, resentful, unforgiving spirit.
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Sharpness or harshness of taste; figuratively, severe pain or grief; settled hostility; a refusal to release offense that defiles the bearer and those near.
📖 Key Scripture
Hebrews 12:15 — "Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble you, and thereby many be defiled."
Ephesians 4:31 — "Let all bitterness, and wrath, and anger, and clamour, and evil speaking, be put away from you, with all malice."
Acts 8:23 — "I perceive that thou art in the gall of bitterness, and in the bond of iniquity."
⚠️ Modern Corruption
Justified as honest pain or self-protection rather than named as defiling sin.
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Therapy culture validates bitterness as righteous response to harm, but Scripture calls it a defiling root that poisons many. Pain is real; bitterness is the choice to nurse it. Forgiveness is not approval — it is release into God's justice.
🔗 Greek & Hebrew Roots
Greek pikria — bitter root.
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['Greek', 'G4088', 'pikria', 'bitterness, harshness']
['Hebrew', 'H4751', 'mar', 'bitter, grieved']
Usage
"Pull bitter roots up before they defile many."
"Pray for those who hurt you; refuse the inner curse."