prima donna Syllabification: (pri·ma don·na)Pronunciation: /ˌprimə ˈdänə, ˌprēmə/Definition of prima donna noun the chief female singer in an opera or opera company. a very temperamental person with an inflated view of their own talent or importance. Derivatives prima donna-ish adjective Origin: late 18th century: Italian, literally 'first lady'prima donna in other Oxford dictionaries Definition of prima donna in the British & World English dictionary