1. relating to existence: "the climate crisis is an existential threat to the world"
▪ concerned with existence, especially human existence as viewed in the theories of existentialism: "the existential dilemma is this: because we are free, we are also inherently responsible"
▪ (of a proposition) affirming or implying the existence of a thing:"the existential proposition that truth and reality are constructed fictions"
Word Originlate 17th century: from late Latin existentialis, from existentia (see existence).
