idolatrousEnglishOxford American Thesaurusidolatrous adjective 1 idolatrous religions: idol-worshipping, icon-worshipping, fetishistic; pagan, heathen, heretical, infidel, sacrilegious. 2 America's idolatrous worship of the auto: idolizing, fetishistic; adulatory, adoring, reverential, glorifying, uncritical, lionizing; worshipping, worshipful, hero-worshipping. ▷antonyms vilifying.