Luxemburger is a noun that refers to a person from Luxembourg or a food item that originates from the country. However, there are several synonyms for this term that can be used in both spoken and written English. Some of the words that can be used as an alternative to 'Luxemburger' include 'Luxembourgian', 'Luxemburgish', 'Luxemburgian', and 'Luxembourgeois'. While all these words refer to people from the tiny European country, the last synonym 'Luxembourgeois' can also refer to the culture or language of Luxembourg. When it comes to the food, the term 'Luxembourgish burger' can be used instead of 'Luxemburger'.