existential

adjective

ex·​is·​ten·​tial ˌeg-(ˌ)zi-ˈsten(t)-shəl 

ˌek-(ˌ)si-

1

: of, relating to, or affirming existence

existential propositions

an existential crisis

the existential threat of climate change

2

a

: grounded in existence or the experience of existence : empirical

existential phenomenology

b

: having being in time and space

… abstractions, ideal gauges without claim to existential reality …

—W. Wolfgang Holdheim

3

: concerned with or involving human existence or its nature : existentialist

an existential novel

existentially adverb

Synonyms of existential

• empirical
• observational
• objective
• experimental

Examples of existential in a Sentence

child psychologist Bruno Bettelheim believed that fairy tales help children cope with their existential anxieties and dilemmas

Recent Examples on the Web

As these systems begin to mirror and amplify human intelligence, agency, and even our flaws, the stakes become existential. — Dana Taylor, USA Today, 23 June 2026

The threat is imminent — and existential. — Andy Browne, semafor.com, 23 June 2026

But, having seen off what at first seemed like a potentially existential threat to its core search business from ChatGPT, the company may have downshifted back into standard operating mode. — Jeremy Kahn, Fortune, 23 June 2026

The latest automation push has spurred union pushback over a potentially existential issue for automakers and their workers. — Jeremy Hsu, ArsTechnica, 22 June 2026

Word History

Etymology

borrowed from Late Latin existentiālis, exsistentiālis, from existentia, exsistentia existence + Latin -ālis -al entry 1; in the 19th and 20th centuries in part as translation of Danish existentiel (later eksistentiel) & German existentiell

Note: Compare "Existentielt Indlæg" ("existential contribution") in the subtitle of Søren Kierkegaard's Afsluttende uvidenskabelig Efterskrift til de philosophiske Smuler (1846; Concluding Unscientific Postscript to the Philosophical Fragments), used also elsewhere in the work.

First Known Use

1656, in the meaning defined at sense 1

Phrases Containing existential

• existential quantifier

Rhymes for existential

• consequential
• deferential
• exponential
• influential
• nonessential
• penitential
• precedential
• preferential
• presidential
• providential
• referential
• residential