The meaning of EXISTENTIAL is of, relating to, or affirming existence. How to use existential in a sentence.

EXISTENTIAL definition: 1. relating to a philosophy (= system of ideas) according to which the world has no meaning and…. Learn more.

You use existential to describe fear, anxiety, and other feelings that are caused by thinking about human existence and death.

The adjective existential is often defined as, “of, or relating to, existence.” However, as you point out, that doesn’t really explain the meaning of existential in most contexts.

existential (ˌɛɡzɪˈstɛnʃəl) adj 1. of or relating to existence, esp human existence

Feb 18, 2026 · Adjective existential (comparative more existential, superlative most existential) (chiefly logic, philosophy) Of or relating to existence. Antonym: nonexistential

Definition of existential adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.