Of or pertaining to existentialism.

(philosophy, not countable) A twentieth-century philosophical movement emphasizing the uniqueness of each human existence in freely making its self-defining choices.

(logic) The operator, represented by the symbol ∃, used in predicate calculus to indicate that a predicate is true for at least one member of a specified set. Verbal equivalents include "there exists" and "there is".

Of or relating to existence. / Concerning the very existence of something, especially with regard to extinction. / Based on experience; empirical. / (philosophy) Of, or relating to existentialism.

In an existential manner

The philosophical theory that life has no intrinsic meaning or value.

Existentialist.

simple past tense and past participle of existentialize

Represented in an existential manner

plural of existentialism