disdainful adj. + Add to list US //dɪsˈdeɪnfəɫ// UK //dɪsdˈeɪnfəl// dis·dain·ful SynonymsEtymology Synonyms contemptuoushaughtyimperiousinsultinglordlyoverbearingpridefulscornfulsniffysuperciliousOrigin From disdain + -ful.