[adj] - relating to or involving existentialism 2. [n] - a philosopher who emphasizes freedom of choice and personal responsibility but who regards human existence in a hostile universe as unexplainable Found on http://www.webdictionary.co.uk/definition.php?query=existentialist
adjective relating to or involving existentialism; `existentialist movement`; `existentialist philosophy`; `the existentialist character of his ideas` Found on https://www.encyclo.co.uk/local/20974