ideologueEnglishOxford New American Dictionaryideologue /ˈīdēəˌlôɡ, , ˈaɪdiəˌlɔɡ , ˈidēəˌlôɡ, ˈɪdiəˌlɔɡ / ▸ noun an adherent of an ideology, especially one who is uncompromising and dogmatic: a conservative ideologue. – ORIGIN early 19th century : from French idéologue; see also ideology.