Vindictiveness occupies a structurally significant position in depth-psychological thought, functioning not merely as a reactive emotion but as an organizing principle of neurotic character. Karen Horney provides the most systematic account, identifying vindictiveness as the animating core of the ‘arrogant-vindictive’ personality type — a configuration in which the need for triumphant revenge over others becomes, as she phrases it, ‘a way of life.’ For Horney, vindictiveness is inseparable from wounded neurotic pride: when pride is injured, the psyche is compelled toward retribution as a means of restoring its internal accounting system. Crucially, she distinguishes vindictiveness from mere sadism, tracing its roots to an unfortunate developmental history in which the denial of positive feeling and the drive for mastery became fused. Jung and Edinger extend the concept into the domain of the divine, analyzing Yahweh’s ‘vindictiveness and irreconcilability’ as a theological-psychological problem — the shadow dimension of a God-image that demands a human sacrifice before forgiveness is possible. Nietzsche, anticipating both streams, locates vindictive motivation at the heart of revenge psychology, noting the retroactive rationalization that transforms fear-driven retaliation into a matter of honor. Across these positions, vindictiveness emerges as a phenomenon at the intersection of pride, self-hate, power, and the failure of genuine relation.