(1905-80) a French philosopher who also wrote novels, plays, and short stories. He was a leading influence in the development of existentialism, and is one of the best-known philosophers of the 20th century. His novels include the trilogy (=a series of three books) Les chemins de la liberté (translated as Roads to Freedom). He is also famous for his long relationship with the feminist writer Simone de Beauvoir, and for his left wing political views and his support for student protests in France in 1968.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.
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