Meaning of EXISTENTIAL in English

adj. 1 of or relating to existence. 2 Logic (of a proposition etc.) affirming or implying the existence of a thing. 3 Philos. concerned with existence, esp. with human existence as viewed by existentialism. existentially adv.

[ LL existentialis (as EXISTENCE) ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.