DASEIN Meaning of DASEIN in English [ 'dα:zʌɪn ]■ noun Philosophy1》 (in Hegelianism) existence or determinate being. 2》 (in existentialism) human existence.OriginC19: Ger., from dasein 'exist'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004