Main Entry: ex·is·ten·tial

Pronunciation: \ˌeg-(ˌ)zis-ˈten(t)-shəl, ˌek-(ˌ)sis-\

Function: adjective

Date: 1693

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 [translation of Danish eksistentiel & German existential] : existentialist

— ex·is·ten·tial·ly adverb