postgraduate Syllabification: (post·grad·u·ate)Pronunciation: /pōstˈgrajo͞oit/Translate postgraduate | into French | into German | into Italian | into Spanish Definition of postgraduate adjective relating to a course of study undertaken after completing a first degree:a postgraduate degree noun a student engaged in a postgraduate course of study. postgraduate in other Oxford dictionaries Definition of postgraduate in the British & World English dictionary