ideologicalEnglishOxford New American Dictionaryideological /ˌīdēəˈläjəkəl, , ˌaɪdiəˈlɑdʒəkəl, ˌidēəˈläjəkəl, ˌɪdiəˈlɑdʒəkəl/ ▸ adjective based on or relating to a system of ideas and ideals, especially concerning economic or political theory and policy: the ideological struggle that underpinned the cold war.