wrath

Old English wrǣthu — wrath — derives from wrāth, meaning 'angry' or 'wroth,' itself from Proto-Germanic *wraiþaz. The root suggests something twisted, contorted, or bent with force. The cognates are revealing: Old High German reid meant twisted; Old Norse reiðr meant angry. The underlying image is of anger as a physical contortion.

In Christian moral theology, ira (wrath) was the third deadly sin — the anger that seeks vengeance rather than resolution. The Angelic Doctor Thomas Aquinas distinguished righteous anger (anger at genuine injustice, aimed at correction) from sinful wrath (anger that seeks punishment for its own sake, disproportionate to the offense). The thin line between justice and vengeance is the moral geography of wrath.

Divine wrath — the wrath of God — was a central concept in both Old Testament theology and Calvinist Christianity. The Puritan preachers of colonial New England, Jonathan Edwards above all, delivered sermons on God's wrath that were intended to induce terror. Edwards's 1741 sermon 'Sinners in the Hands of an Angry God' described divine wrath as a dam holding back a flood of holy fury.

Wrath is distinct from anger in English by its scale and duration. You feel anger; wrath possesses you. Anger can be situational and brief; wrath accumulates and persists. The word is also archaic — modern speech mostly uses anger, fury, or rage — which gives wrath a Biblical and literary quality, preserving it for grand occasions.