superannuation Syllabification: (su·per·an·nu·a·tion)Pronunciation: /ˌso͞opərˌanyo͞oˈāSHən/Translate superannuation | into Italian Definition of superannuation noun [usually as modifier] regular payment made into a fund by an employee toward a future pension:a superannuation fund a superannuation pension paid to a retired person. the process of superannuating an employee. superannuation in other Oxford dictionaries Definition of superannuation in the British & World English dictionary