Masculine Protest, Alfred Adler’s foundational construct, designates the psychic drive by which an individual—male or female—overcomes the culturally devalued ‘feminine’ position through a compensatory assertion of superiority, strength, and dominance. Within the depth-psychology corpus, the term occupies a contested position: it is simultaneously a clinical diagnosis, a cultural critique, and a point of theoretical rupture. Jung engages the concept with characteristic ambivalence, acknowledging its explanatory force in mapping the will-to-power dimension of neurosis while insisting that it remains incomplete beside the libido theory. His reading, made explicit in the Collected Works and the Two Essays, treats the masculine protest as one expression of Adler’s broader ‘guiding fiction’—the tendency to distort all valuation around the masculine/feminine antithesis. Hillman extends this critique imaginally, reading the antithetical mode itself as a Siamese-twin structure that psychic hermaphroditism both generates and partially dissolves. Post-Jungian writers such as Hollis and von Franz relocate the problematic in lived male psychology: where Adler posited a universal compensatory mechanism, these authors discern a specifically wounded masculine identity driven by shame, fear, and the collapse of initiation. Victor Turner provides the sole anthropological counterweight, warning against reducing Ndembu ritual dynamics to mere masculine protest when structural tensions of kinship equally determine the symbolic field. The term thus marks a persistent fault-line between drive theory, individual psychology, and archetypal depth psychology.