(existentialism) A state of panic or feeling of intense psychological discomfort about questions of existence.

In an existentialist manner.

(logic) In predicate logic, an inference rule of the form ∃x P(x) ⊢ P(c), where c is a new symbol (not part of the original domain of discourse, but which can stand for an element of it (as in Skolemization)).

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

Existentialist.

(politics, economics) of, supporting, relating to, or advocating existentialist anarchism

(politics, economics) a person who advocates existentialist anarchism

(politics, philosophy) the combination of anarchism and existentialism, prompted by some philosophers

simple past tense and past participle of existentialize

Represented in an existential manner