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English definition of “existentialism”

existentialism

noun [U] uk   /ˌeɡ.zɪˈsten.ʃəl.ɪ.zəm/ specialized us  
a system of ideas made famous by Jean Paul Sartre in the 1940s in which the world has no meaning and each person is alone and completely responsible for their own actions, by which they make their own characterPhilosophy
existential
adjective uk   /əl/ (also existentialist) us  
an existential/existentialist argument/philosopherPhilosophy
existentialist
noun [C] uk   /-ɪst/ us  
(Definition of existentialism from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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