im·pres·sion·is·tic \(|)im|preshə|nistik, əm-, -tēk\adjective orim·pres·sion·ist\ə̇mˈpresh(ə)nə̇st\ : of, belonging to, or being impressionism; specificallyusually capitalized: of or belonging to the French Impressionists • im·pres·sion·is·ti·cal·ly\(|)im|preshə|nistə̇k(ə)lē, əm-, -tēk-, -li\adverb