ideologue Syllabification: (i·de·o·logue)Pronunciation: /ˈīdēəˌlôg, -ˌläg, ˈidēə-/Definition of ideologue noun an adherent of an ideology, especially one who is uncompromising and dogmatic:a conservative ideologueOrigin: early 19th century: from French idéologue; see also ideologyideologue in other Oxford dictionaries Definition of ideologue in the British & World English dictionary