Meaning of the word existentialism in English

What does existentialism mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

existentialism

US /ˌeɡ.zɪˈsten.ʃəl.ɪ.zəm/
UK /ˌeɡ.zɪˈsten.ʃəl.ɪ.zəm/
"existentialism" picture

Noun

a philosophical theory or approach which emphasizes the existence of the individual person as a free and responsible agent determining their own development through acts of the will

Example:
Jean-Paul Sartre is one of the most famous figures associated with existentialism.
The novel explores themes of existentialism and the search for meaning in a chaotic world.