'You say potato, I say potato'. Ah, that doesn't really work in print. Argentinian, Argentinean and Argentine however, has stirred the passions of. As far as I know, people here and elsewhere use " Argentinian ", "Argentine" and even "Argentinean". I saw this last one in an American. Argentinian definition: Argentinian means belonging or relating to Argentina or its people. | Meaning, pronunciation, translations and examples.