God Gave Them Over

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Therefore refers back to the reasons Paul has just set forth in verses 18–23. Although God revealed himself to man (vv. 19–20), man rejected God (v. 21) and then rationalized his rejection (v. 22; cf. v. 18b) and created substitute gods of his own making (v. 23). And because man abandoned God, God abandoned men-He gave them over. It is that divine abandonment and its consequences that Paul develops in verses 24–32, the most sobering and fearful passage in the entire epistle.

Paradidomi (gave … over) is an intense verb. In the New Testament it is used of giving one's body to be burned (1 Cor. 13:3) and three times of Christ's giving Himself up to death (Gal. 2:20; Eph. 5:2, 25). It is used in a judicial sense of men's being committed to prison (Mark 1:14; Acts 8:3) or to judgment (Matt. 5:25; 10:17, 19, 21; 18:34) and of rebellious angels being delivered to pits of darkness (2 Pet. 2:4). It is also used of Christ's committing Himself to His Father's care (1 Pet. 2:23) and of the Father's delivering His own Son to propitiatory death (Rom. 4:25; 8:32)...