existential

adjective

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

ˌek-(ˌ)si-

1

: of, relating to, or affirming existence

existential propositions

2

a

: grounded in existence or the experience of existence : empirical

b

: having being in time and space

3

: existentialist

existentially adverb

Synonyms

• empirical
• empiric
• 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

Both Altman and Musk, who were OpenAI co-founders, have spoken about the potential existential risk to humans posed by AI. —Dave Smith, Fortune, 2 Oct. 2025

And, to be certain, broadcasters view the fight as existential. —Alex Weprin, HollywoodReporter, 1 Oct. 2025

Trump’s peace plan has backed Hamas into a corner, leaving the militant group to face an existential dilemma. —Oren Liebermann, CNN Money, 30 Sep. 2025

Needless to say, SAG-AFTRA sees this as an existential threat. —Christian Blauvelt, IndieWire, 30 Sep. 2025

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
• evidential
• exponential
• influential
• nonessential
• penitential
• precedential
• preferential
• presidential
• providential
• referential