postgraduate postgraduate /poʊstˈɡræʤuət/

adjective

1. Of or relating to studies beyond a bachelor's degree  ( postgraduate , postgrad [Informal] , graduate )
   of or relating to studies beyond a bachelor's degree
    Graduate courses
   graduate courses
   

noun

1. A student who continues studies after graduation  ( grad student , postgraduate , graduate student )
   a student who continues studies after graduation
    After completing his undergraduate degree, he pursued a postgraduate course in finance
   After completing his undergraduate degree, he pursued a postgraduate course in finance