Reading time:

3–5 minutes

1. Who She Was and Why She Matters

Simone de Beauvoir (1908–1986) asked the foundational question of 20th century feminism with a precision that no one before her had achieved: ‘One is not born, but rather becomes, a woman.’ The opening sentence of the second volume of The Second Sex (1949) contains an entire theory: that ‘woman’ is not a biological given but a social construction — a role imposed by a culture that defines women as Other relative to a male norm. In 1949, when the book was published, this was a radical claim. In the decades since, it has become one of the foundational propositions of feminist theory and gender studies.

De Beauvoir matters not only as a feminist but as an existentialist philosopher, as a novelist, as a public intellectual who engaged with the major political questions of her era (Algeria, the Cold War, Cuba, abortion rights), and as someone whose life — her relationship with Sartre, her political engagements, her refusal of the conventional domestic role — was itself a philosophical argument about freedom.


2. The Thought and Work

The Second Sex (1949)

De Beauvoir’s central work applies existentialist analysis to the situation of women. Using Sartre’s concepts of ‘being-for-itself’ (consciousness, freedom, transcendence) and ‘being-in-itself’ (things, facticity, immanence), she argued that patriarchal culture systematically assigned women to the role of the ‘Other’ — the object through which male consciousness defines itself. Women were denied transcendence — the capacity for self-defining action, project, and freedom — and confined to immanence — biological reproduction, domestic service, the satisfaction of male needs. The solution was not simply legal equality but the transformation of the social conditions that produced woman as a category.

The book’s scope was extraordinary: it moved through biology, psychoanalysis, Marxism, mythology, literature, and the lived experiences of women at different stages of life to build an argument that was both analytically rigorous and phenomenologically grounded in actual female experience.

Political Engagement

De Beauvoir’s political career included opposition to French colonialism in Algeria (she was among the signatories of the ‘Manifesto of the 121’ supporting conscientious objection in 1960), engagement with the post-war left (she and Sartre visited Cuba and the Soviet Union), and central involvement in the French women’s liberation movement of the late 1960s and 1970s, including the campaign for abortion rights that led to the legalisation of abortion in France in 1975. Her Manifesto of the 343 (1971), in which she and 342 other French women publicly declared that they had had illegal abortions, was a pivotal political act.


3. The Context

De Beauvoir was born in Paris into a bourgeois Catholic family whose decline in fortune forced her to support herself intellectually. She was one of the first women to pass the agrégation in philosophy (she came second; Sartre, taking it for the second time, came first), and spent her career teaching and writing in Paris. Her relationship with Sartre — a lifelong partnership that was explicitly non-monogamous and committed to mutual intellectual honesty — was both central to her life and a subject of ongoing debate about the asymmetries within it.


4. The Contradictions and Limits

De Beauvoir’s feminism has been criticised from within the feminist tradition on several grounds. Her analysis in The Second Sex focuses primarily on the experience of white, middle-class, educated women; the intersections of gender with race, class, and colonialism are not fully developed. Post-colonial feminist critics have argued that her framework reproduces some of the universalising assumptions of European humanism that it claims to transcend.

Her relationship with Sartre has generated sustained critical attention. Letters and posthumous publications revealed that the relationship, while intellectually central to both of them, contained significant power asymmetries, and that de Beauvoir’s famous advocacy of existentialist freedom coexisted with arrangements in her personal life that not all feminist critics found consistent with that advocacy.


5. The Legacy and Debate

De Beauvoir’s influence on feminist theory has been enormous and continuous. The Second Sex was foundational for second-wave feminism in the 1960s–70s and remains widely read and debated. Her distinction between sex and gender — between biological difference and socially constructed roles — provided the conceptual framework for much of what followed in gender theory. Judith Butler’s later work on gender as performance draws on de Beauvoir while also complicating her framework.


6. Related Podcast Episodes

Best Podcasts on the British Empire and Decolonisation


7. Cross-Links

Ideas · Existentialism · Second-Wave Feminism · Anticolonialism

Lives · Simone Weil

← Back to Thinkers and Writers · ← Back to 20th Century Lives

Thank you for subscribing!

Please check your email to confirming your subscription.