There are several synonyms for the term "East German." One common term used is "GDR citizen," which refers to someone who was a citizen of the former East Germany, also known as the German Democratic Republic. Another synonym is "Eastern German," which simply denotes someone from the eastern part of Germany. "Ostdeutsch" is another term used by native German speakers to describe individuals from East Germany. "Communist German" may also be used, although this term can inaccurately portray all East Germans as supporters of the communist regime. It's important to note that the terms used to describe people from East Germany can have different connotations and nuances, so context is key when selecting the most appropriate synonym.