📖 Biblical Definition
The circumcision of the heart is the inward, supernatural work in which God Himself cuts away "the foreskin of the heart" — its hardness, idolatry, and rebellion — that His people might love Him with all their heart and soul. Moses commanded it: "Circumcise therefore the foreskin of your heart" (Deuteronomy 10:16) — and then promised God Himself would perform it: "And the LORD thy God will circumcise thine heart, and the heart of thy seed, to love the LORD thy God with all thine heart" (30:6). Paul makes the inward act primary: "he is a Jew, which is one inwardly; and circumcision is that of the heart, in the spirit, and not in the letter" (Romans 2:29). The sign of true covenant membership is not flesh-cutting but heart-cutting.
📜 Webster 1828 Definition
CIRCUMCISION, n. The act of cutting off the foreskin; figuratively, the removal of carnal pollutions of the heart.
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1. The act of cutting off the prepuce or foreskin, a rite enjoined upon Abraham and his seed as a token of the covenant. 2. Figuratively, the rejection or excision of the corrupt affections and lusts of the flesh, and the consecration of the heart to God; that inward and spiritual work of which the outward rite was a sign and seal.
📖 Key Scripture
Deuteronomy 10:16 — "Circumcise therefore the foreskin of your heart, and be no more stiffnecked."
Deuteronomy 30:6 — "And the LORD thy God will circumcise thine heart, and the heart of thy seed, to love the LORD thy God with all thine heart, and with all thy soul, that thou mayest live."
Romans 2:29 — "But he is a Jew, which is one inwardly; and circumcision is that of the heart, in the spirit, and not in the letter; whose praise is not of men, but of God."
Colossians 2:11 — "In whom also ye are circumcised with the circumcision made without hands… by the circumcision of Christ:"
⚠️ Modern Corruption
Reduced to ethnic ritual on one side, or sentimental emotion on the other.
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Old Israel often boasted in the cut flesh while the heart remained stiff-necked. Modern professors flip the error: they speak of inner spirituality with no covenant cutting, no severance from sin, no excision of idols—a softness mistaken for holiness.
True heart-circumcision is sharp. The Spirit cuts. He removes what feels like part of us—our pride, our autonomy, our pet sins—that we may love God with the whole heart. Painful at the moment, it is the seal of belonging to the Lord.
🔗 Greek & Hebrew Roots
Hebrew mûl and Greek peritomē — to cut, circumcision.
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H4135 — mûl — to cut, circumcise
G4061 — peritomē — circumcision, a cutting around
H6190 — ʻorlāh — foreskin, uncircumcision
Usage
"God does not want a token in your flesh; He wants a knife in your heart."
"Outward circumcision without inward is hypocrisy; inward without outward obedience is fantasy."
"The Spirit's scalpel hurts because it heals."