impressionistic Syllabification: (im·pres·sion·is·tic)Pronunciation: /imˌpreSHəˈnistik/Translate impressionistic | into Italian Definition of impressionistic adjective 1based on subjective reactions presented unsystematically:a personal and impressionistic view of the war 2 (also Impressionistic) in the style of impressionism:an impressionistic portraitDerivatives impressionisticallyPronunciation: /-ik(ə)lē/ adverb impressionistic in other Oxford dictionaries Definition of impressionistic in the British & World English dictionary