existential

As adjectives the difference between existential and contingent

is that existential is of, or relating to existence while contingent is possible or liable, but not certain to occur; incidental; casual.

As a noun contingent is

an event which may or may not happen; that which is unforeseen, undetermined, or dependent on something future; a contingency.

In philosophy terms the difference between existential and realism

is that existential is of, or relating to existentialism while realism is a doctrine that universals are real—they exist and are distinct from the particulars that instantiate them.

As an adjective existential

is of, or relating to existence.

As a noun realism is

a concern for fact or reality and rejection of the impractical and visionary.

As adjectives the difference between existential and psychedelic

is that existential is of, or relating to existence while psychedelic is of, containing, generating, or reminiscent of drug-induced hallucinations, distortions of perception, altered awareness etc.

As a noun psychedelic is

any psychoactive substance (such as lsd or psilocybin) which, when consumed]], causes [[perception|perceptual changes (sometimes erratic and uncontrollable), visual hallucination, and altered awareness of the body and mind.

As an interjection psychedelic is

awesome, cool, groovy.

As an adjective existential

is of, or relating to existence.

As a noun oxymoron is

a figure of speech in which two words with opposing meanings are used together intentionally for effect.

As adjectives the difference between existential and vital

is that existential is of, or relating to existence while vital is relating to, or characteristic of life.

As adjectives the difference between existential and functional

is that existential is of, or relating to existence while functional is in good working order.

As a noun functional is

a function that takes a function as its argument; More precisely: A function y=f(x) whose argument x varies in a space of (real valued, complex valued) functions and whose value belongs to a monodimensional space. An example: the definite integration of integrable real functions in a real interval.

As adjectives the difference between formal and existential

is that formal is being in accord with established forms while existential is of, or relating to existence.

As a noun formal

is formalin.

As adjectives the difference between experimental and existential

is that experimental is experimental while existential is of, or relating to existence.

As a noun spiritual

is (christianity|historical) a member of a branch of the franciscan order who advocated simple dress and renounced the owning of property.

As an adjective existential is

of, or relating to existence.

As an adjective existential

is of, or relating to existence.

As a noun death is

the cessation of life and all associated processes; the end of an organism's existence as an entity independent from its environment and its return to an inert, nonliving state.

As a proper noun Death is

the personification of death, often a skeleton with a scythe, and one of the four horsemen of the apocalypse.