imperialistic adj. + Add to list US //ˌɪmˌpiɹiəˈɫɪstɪk// UK //ɪmpˈiəɹɪəlˈɪstɪk// im·pe·ri·al·is·tic SynonymsEtymology Synonyms imperialistOrigin From imperialist + -ic or imperial + -istic.