In ordinary French, deep enjoyment or pleasure.
In ordinary French, deep enjoyment or pleasure; in Lacanian psychoanalysis, a transgressive excess-enjoyment that exceeds the pleasure principle — a satisfaction so intense it borders on or tips into pain, suffering, or compulsion.
Where ordinary pleasure (plaisir) is regulated and tension-reducing, jouissance is its transgressive “beyond” — a surplus that destabilizes rather than soothes. Unlike ecstasy, rapture, or bliss (unalloyed positive transport), jouissance is structurally mixed: an enjoyment shadowed by suffering, persisting in symptom, repetition, and the superego's demand. Enjoyment at a cost.
“enjoyment, pleasure,” from jouir “to enjoy” (also, colloquially, “to climax”).
From Middle French jouissance, from jouir “to enjoy” (Vulgar Latin gaudīre, classical gaudēre “to rejoice”) + -ance. An obsolete English “jouissance” (delight) is attested from 1603.
The technical Lacanian sense is a 20th-century development: Lacan opposed jouissance to the pleasure principle in Seminar VII, The Ethics of Psychoanalysis (1959–60), anchoring it in Freud's “beyond the pleasure principle.” The ordinary French and obsolete English senses long predate this.
Popularly flattened to mere “intense bliss/ecstasy,” which strips the essential Lacanian point that it transgresses the pleasure principle and entails suffering/excess. Its translation is contested — hence the convention of leaving it untranslated.