Beau ‧ voir, Si ‧ mone de /ˈbəʊvwɑː $ bəʊˈvwɑːr, sɪˈməʊn də/ BrE AmE
(1908–86) a French writer who had an important influence on the development of ↑ feminism and was also interested in the ideas of ↑ existentialism . Her most famous book is The Second Sex , but she also wrote several novels. She was for many years in a relationship with Jean-Paul ↑ Sartre .