impressionistic adj. + Add to list US //ˌɪmˌpɹɛʃəˈnɪstɪk// UK //ɪmpɹˈɛʃənˈɪstɪk// im·pres·sion·is·tic SynonymsEtymology Synonyms impressionistOrigin From impressionist + -ic or impression + -istic.