i ‧ de ‧ o ‧ logue /ˈaɪdiəˌlɒɡ $ -ˌlɒːɡ, -ˌlɑːɡ/ BrE AmE ( also i‧de‧ol‧o‧gist /ˌaɪdiˈɒlədʒəst, ˌaɪdiˈɒlədʒɪst $ -ˈɑːl-/) noun [countable]
[ Word Family: noun : ↑ ideology , ↑ ideologue ; adverb : ↑ ideologically ; adjective : ↑ ideological ]
[ Date: 1800-1900 ; Language: French ; Origin: idéologue , from idéologie ; ⇨ ↑ ideology ]
someone whose actions are very much influenced by an ideology