Postgraduate work refers to academic study or research that is pursued after a person has already completed a bachelor's degree. Synonyms for postgraduate work include graduate work, advanced study, post-baccalaureate study, higher education, and further education. These terms are used interchangeably and denote a more specialized and in-depth level of learning in a particular field. Postgraduate work encompasses a wide range of studies such as master's degrees, doctoral degrees, and professional certificates. Often, postgraduate work is pursued by individuals who wish to deepen their knowledge or skills in a particular profession, or to advance their careers in a specific field.