Andretti, Mario Syllabification: (An·dret·ti, Mario)Pronunciation: /anˈdretē/Definition of Andretti, Mario (1940-), US race car driver, born in Italy; full name Mario Gabriele Andretti. He won the Daytona 500 in 1967, the Indianapolis 500 in 1969, and the Grand Prix world driving championship in 1978. Andretti, Mario in other Oxford dictionaries Definition of Andretti, Mario in the British & World English dictionary