Clinamen
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ELI5
Think of clinamen as the original "swerve" — the tiny, unpredictable wobble that stops atoms (or anything else) from falling in perfectly straight, predictable lines. Lacan borrows this idea to say that what gets human beings going — what starts desire, trauma, and the unconscious — is not a smooth plan or biology, but an accidental jolt that could never have been fully predicted or explained.
Definition
Clinamen, borrowed from Epicurean-Lucretian atomism (the unpredictable swerve of atoms as theorised by Lucretius after Democritus), is appropriated within the Lacanian corpus as a structural concept naming the originary deviation or inclination that breaks symmetry at the very origin of any causal chain. It is not a merely cosmological curiosity but a formal principle: it names the point at which pure determinism (the automaton) fails to account for itself, where causality encounters its own inner crack. In the context of Seminar XI, the clinamen is explicitly linked to the tuché — the traumatic, missed encounter with the Real — as the pre-Socratic precedent for psychoanalysis's own discovery that development is animated not by smooth biological stages but by accident, obstacle, and the irreducible remainder that escapes the pleasure principle. The clinamen is what Democritus posited to prevent thought from collapsing into pure negativity or void: it is the minimal positive asymmetry that makes a world — and, by extension, a subject — possible.
In the post-Lacanian elaborations (Žižek, Dolar), clinamen is further elevated into a pivot for dialectical materialism. Žižek uses it to mark precisely the gap between Spinoza and Hegel: for Spinoza, Substance generates its own immanent multiplicity through clinamina (its productive differentiation), but remains ultimately a positive, self-sufficient ground. For Hegel — and for Lacan — the clinamen is instead the self-repelling Gap, the Nothingness that negates itself to produce something, rather than a positive Substance that differentiates. Dolar, meanwhile, identifies clinamen alongside tyche and den as the three Democritean notions Lacan retrieves precisely as "points of departure from causality" — the inner quirks or anomalies that are not breakdowns of materialism but its very condition of possibility.
Place in the corpus
The concept of clinamen appears most directly in the Seminar XI context (jacques-lacan-seminar-11, jacques-lacan-seminar-11-1), where it functions as the philosophical prehistory of the tuché. In those seminars, Lacan's argument is that psychoanalysis rediscovers — by an entirely different route — what pre-Socratic materialism needed the clinamen to do: explain how something moves, how a world or a subject comes to be, without appealing to teleology or biological necessity. Clinamen is thus the ancient name for what Lacan calls the Real's intrusion into the automaton — it is the missed encounter elevated to a cosmological principle, and it underwrites the claim that repetition in analysis is structured around tychic accident, not organic development. As an extension of the Gap concept, clinamen names the structural asymmetry that prevents any causal or symbolic order from being fully closed: it is the irreducible "less than nothing" that persists as the condition of movement, desire, and subjectivity.
In Žižek (slavoj-zizek-less-than-nothing-hegel-and-the-shadow-of-dialectical-materialism-v, slavoj-zizek-sex-and-the-failed-absolute-bloomsbury-academic-2019) and Dolar (subject-lessons-hegel-lacan-and-the-future-of-materialism-northwestern-universit), clinamen migrates from a clinical-structural register into an explicitly ontological and materialist one. Here it is positioned as the hinge concept for a Lacanian dialectical materialism: it is what separates Hegel (and Lacan) from Spinoza, since the Hegelian-Lacanian origin is not a self-differentiating Substance but a self-repelling Gap. In relation to the canonical concepts of Repetition, Gap, and Real in this corpus, clinamen functions as a specification of the originary moment at which the Real introduces itself into any causal or symbolic structure — not as brute positivity, but as the minimal swerve or inclination that is constitutive of both the world and the subject.
Key formulations
Subject Lessons: Hegel, Lacan, and the Future of Materialism (p.48)
Lacan tried to retrieve the three notions of tyche, clinamen, and den from ancient philosophy precisely as the points of departure from causality, its inner quirks, as concomitant with the very possibility of materialism.
The phrase "points of departure from causality" is theoretically loaded because it reframes clinamen not as an exception or failure of causal law but as its constitutive inner quirk — the anomaly without which materialism itself could not be thought. By grouping clinamen with tyche and den as a triad retrieved by Lacan from ancient philosophy, the formulation reveals that psychoanalytic materialism is grounded precisely in what escapes or cracks determinism from within, rather than in any positive substance or mechanism.
Cited examples
This is a 5-occurrence concept; the corpus extractions did not surface a curated illustrative example. See the source page(s) above for the surrounding argument and the cross-referenced canonical concepts for their cited examples.
Tensions
This is a 5-occurrence concept; intra-corpus tensions and cross-framework comparative analysis are reserved for canonical-level coverage. See the cross-referenced canonical concepts for those layers.
All occurrences
Where it appears in the corpus (11)
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#01
Bodies to Wear: Four Lacanian Takes on Trans · Patricia Gherovici · p.39
BODIES TO WEAR FOUR LACANIAN TAKES ON TRANS > FOUR LACANIAN TAKES TO RETHINK THE TRANS EXPERIENCE
Theoretical move: Gherovici proposes four new clinical concepts—realness, beauty, laughter, and the swerve/clinamen—as expansions of Lacan's four fundamental concepts, arguing that trans experience stages not a crossing of gender boundaries but a confrontation with death that opens onto life, and that this framework reconceptualises the Real as bodily plasticity intertwined with the death drive.
the last concept is that of the swerve or turbulence (clinamen) in the atomic philosophy of Lucretius and its echoes in contemporary discourse. As an ontological swerve, turbulence throws new light on the role of accidents, and accounts for how accidents can turn into destiny (tuché).
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#02
Bodies to Wear: Four Lacanian Takes on Trans · Patricia Gherovici · p.94
BODIES TO WEAR FOUR LACANIAN TAKES ON TRANS > FOUR LACANIAN TAKES TO RETHINK THE TRANS EXPERIENCE > LAUGHTER
Theoretical move: The passage traces a genealogy of Democritus's laughter to argue that his neologism *den* ("less than nothing") anticipates Lacan's objet petit a — an atom of non-negating negation that is neither something nor nothing — and then uses this theoretical framework to analyse racism as a fantasy in which the ethnic Other is figured as a thief of jouissance.
Lacan draws on this idea, using the Lucretian clinamen (the swerve of atoms) to think through the logic of trauma. In this context, clinamen represents the deviation that disrupts a prior equilibrium, introducing turbulence into an unconscious 'structured like a language.'
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#03
Bodies to Wear: Four Lacanian Takes on Trans · Patricia Gherovici · p.108
BODIES TO WEAR FOUR LACANIAN TAKES ON TRANS > FOUR LACANIAN TAKES TO RETHINK THE TRANS EXPERIENCE > REAL ENCOUNTERS
Theoretical move: The passage argues that Lacan's appropriation of the Lucretian *clinamen* (atomic swerve) reframes trauma, repetition, and the analytic session as sites of turbulence that introduce chance into unconscious determinism, and that this trajectory culminates in the shift from symptom-as-metaphor to sinthome-as-knot, where jouissance rather than decoding becomes the operative clinical concept.
Lacan employs the Lucretian concept of clinamen to reconceptualize the logic of trauma as a change of course.
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#04
Bodies to Wear: Four Lacanian Takes on Trans · Patricia Gherovici · p.118
BODIES TO WEAR FOUR LACANIAN TAKES ON TRANS > FOUR LACANIAN TAKES TO RETHINK THE TRANS EXPERIENCE > THE BODY I WROTE
Theoretical move: The passage develops a "clinic of the clinamen" by mapping the Lucretian/Bloomian swerve onto Lacan's sinthome, arguing that for trans subjects, corporeal transformation alone is insufficient and that an *ego scriptor*—a writing-self—must intervene to constitute the body through inscription, thereby treating the sinthome not as pathology but as creative solution operating in the register of the Real.
in Lucretius' De Rerum Natura, the term clinamen refers to the unpredictable 'swerve' of atoms that enables the world to change, breaking the deterministic chain of events and making free will possible.
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#05
Bodies to Wear: Four Lacanian Takes on Trans · Patricia Gherovici · p.128
BODIES TO WEAR FOUR LACANIAN TAKES ON TRANS > Forthcoming by Everyday Analysis
Theoretical move: This is a publisher's blurb/back-matter passage describing the contents of Gherovici's pamphlet and the Everyday Analysis series; it is non-substantive promotional text with minimal theoretical development.
four Lacanian concepts to understand and relate to the transgender experience: realness, plasticity, nothingness and the clinamen
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#06
Bodies to Wear: Four Lacanian Takes on Trans · Patricia Gherovici · p.100
BODIES TO WEAR FOUR LACANIAN TAKES ON TRANS > FOUR LACANIAN TAKES TO RETHINK THE TRANS EXPERIENCE > SWERVE
Theoretical move: Gherovici extends Lacan's sinthome theory by reading it through the materialist figure of the *clinamen* (Lucretius's atomic swerve), arguing that both Joyce's art and transgender identity-transformations function as creative re-knotting of the Borromean registers—thereby reframing trans symptoms as potential sinthomes rather than pathologies, and grounding sexual positioning itself (Lacan's "sinthome-he/she") in the irreducible Sexual Non-Relation.
I approach the 'sinthome' as an adaptation of the clinamen, the unpredictable swerve of atoms described by Lucretius and early materialists. My goal is to develop a clinic centered around this swerve, extending Lacan's theory of the sinthome.
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#07
Seminar XI · The Four Fundamental Concepts of Psychoanalysis (alt. translation) · Jacques Lacan · p.78
TUCHE AND AUTOMATON > AND AUTOMATON
Theoretical move: The passage argues that the tuché (the traumatic real encounter) is not merely a clinical concept but a structural principle animating all development through accident/obstacle rather than biological stages, linking psychoanalytic repetition to pre-Socratic philosophy's search for a first cause (clinamen), and positioning this as the true originality of psychoanalysis over ontogenetic stage theories.
It required a clinamen, an inclination, at some point. When Democritus tried to designate it, presenting himself as already the adversary of a pure function of negativity in order to introduce thought into it
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#08
Seminar XI · The Four Fundamental Concepts of Psychoanalysis · Jacques Lacan · p.78
TUCHE AND AUTOMATON > AND AUTOMATON
Theoretical move: The passage grounds the Lacanian concept of the tuché in the fort-da game as the child's response to the trauma of separation, arguing that psychoanalytic development is not organised around biological stages but around the accident of the real encounter—linking the tuché back to pre-Socratic philosophy's need for a clinamen to motivate the world.
It required a clinamen, an inclination, at some point. When Democritus tried to designate it... he says, It is not the that is
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#09
Sex and the Failed Absolute · Slavoj Žižek · p.300
**Sex and the Failed Absolute** > The Retarded God <span id="corollary_3_the_retarded_god_of_quantum_ontology.xhtml_IDX-780"></span>of <span id="corollary_3_the_retarded_god_of_quantum_ontology.xhtml_IDX-1619"></span><span id="corollary_3_the_retarded_god_of_quantum_ontology.xhtml_IDX-1834"></span>Quantum <span id="corollary_3_the_retarded_god_of_quantum_ontology.xhtml_IDX-1168"></span>Ontology > [The Two Vacuums: From Less than Nothing to Nothing](#contents.xhtml_ahd20)
Theoretical move: Žižek maps a triadic ontological structure—Nothing/Void ($), the One (objet a), and the Two (sinthome)—onto unorientable topological surfaces (Möbius strip, cross-cap, Klein bottle), arguing that at every level there is a constitutive antagonism: nothing is never fully nothing, the One is never one, the Two never forms a relation, and the barred subject ($) is the operator that transforms pre-ontological void into ontological nothingness.
The old philosophical name for this twist of the snout is, of course, clinamen, the name Lucretius gave to the unpredictable swerve of atoms
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#10
Subject Lessons: Hegel, Lacan, and the Future of Materialism · Russell Sbriglia & Slavoj Žižek (eds.) · p.48
Mladen Dolar > Freud's Materialism
Theoretical move: Dolar argues that Freud's departure from scientific materialism is not a rejection but a radicalization of it: by pushing mechanism, determinism, monism, reductionism, and scientism to their outermost consequences, psychoanalysis discovers a crack or inner break within each—a 'less than nothing' that persists without ontological substance—thereby converging, by an entirely different route, with Hegel's 'substance is subject.'
Lacan tried to retrieve the three notions of tyche, clinamen, and den from ancient philosophy precisely as the points of departure from causality, its inner quirks, as concomitant with the very possibility of materialism.
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#11
Transgender Psychoanalysis: A Lacanian Perspective on Sexual Difference · Patricia Gherovici · p.162
**MAKING LIFE LIVABLE**
Theoretical move: The passage argues that Lacan's late concept of the sinthome reconceives the symptom not as a hidden meaning to be deciphered but as a creative Real-knotting solution to the sexual non-relation, and that the Lucretian clinamen—via Democritus's den/void and tuché—provides the theoretical model for understanding how analytic technique (scansion, equivocation) introduces turbulence into repetition, thereby producing nomination rather than metaphoric substitution.
The clinamen, the atomic deviation or 'swerve,' the minimum angle of divergence that created turbulence, functioned as a key, for 'deviation is the birth of everything.'