Catachresis

Catachresis, as deployed in this passage from the secondary literature on Lacan's Écrits, names the structural condition of the signifier as such. In classical rhetoric, catachresis denotes a strained, improper, or abusive use of a word — a metaphor pushed beyond its sanctioned field, where a term is borrowed to fill a conceptual or linguistic vacancy (e.g., "the leg of a table"). Lacan's theoretical move here radicalizes this rhetorical figure into a general ontological claim: because the signifier does not name a pre-given thing but constitutively substitutes "something" for "nothing," every act of signification is already catachretic. There is no proper name, no originary referent, no full presence behind the signifier that the signifier merely expresses — the signifier installs a representation where there was only void.

This extends directly from Lacan's alignment of metaphor with condensation and metonymy with displacement. Metaphor is the operation of substitution — one signifier replacing another — which produces meaning as a surplus-effect. Catachresis is, in this light, metaphor in its purest, most exposed form: substitution without an underlying proper term, a filling of a lack through a signifying act. The ego represents the most extreme instance of this logic: it is a formation that substitutes an imaginary, unified image of the self for the constitutive void of the subject — a misrecognition (méconnaissance) so thorough that it presents itself as natural and self-evident, precisely because there is no "proper" subject beneath it that it distorts.

This concept appears in derek-hook-calum-neill-stijn-vanheule-reading-lacan-s-ecrits-from-the-freudian-t (p. 144), in the context of a commentary that maps Lacan's metaphor/metonymy distinction onto Freud's condensation/displacement pair. Catachresis functions here as a rhetorical intensification of the claim that the signifier's logic is not representational but constitutive — the subject is an effect of signifying operations, not their origin. As such, it is a specification and sharpening of the canonical concepts of Condensation and Displacement: where those mechanisms describe how unconscious material is processed and transformed, catachresis names the baseline condition that makes such transformation possible — the originary absence any signifier comes to occupy.

The concept is also intimately tied to the canonical concepts of Ego, Lack, and the Imaginary. The ego, as the cross-referenced canonical synthesis makes clear, is an alienating imaginary construct built from an external specular image — structured like a symptom. Catachresis gives this a rhetorical-linguistic articulation: the ego is not just an imaginary misrecognition but the most extreme case of a signifier substituting something for nothing, covering constitutive lack (Lack) with a seamless imaginary (Imaginary) surface. The concept also resonates with Desire, insofar as desire itself is sustained by the lack that catachretic substitution can cover but never fill. By framing every signifier as catachretic, the passage grounds the restlessness of Desire in the structural incompleteness of signification itself.

Reading Lacan's Écrits: From 'The Freudian Thing' to 'Remarks on Daniel Lagache'Derek Hook, Calum Neill & Stijn Vanheule (eds.) · 2019 (p.144)

In some sense, every signifier is a catachresis, the Greek term for a dissonant, inappropriate, or shocking metaphor, because it replaces 'nothing' with 'something.' No substitution is as catachretic as the ego itself.

The phrase "replaces 'nothing' with 'something'" is the theoretical crux: it inverts the standard representationalist picture (where signifiers name pre-existing somethings) and makes lack — not presence — the ground of signification. The closing claim that "no substitution is as catachretic as the ego itself" then mobilizes this logic to its most radical conclusion, linking the rhetorical figure directly to the Lacanian critique of the ego as the supreme instance of imaginary misrecognition covering a constitutive void.