The Vietnamese Monetary Unit, or the official currency of Vietnam, can be described using different synonyms. One common synonym is the Vietnamese Dong, which is the name used by locals and foreigners when referring to the currency. In addition, the term "VND" is often used as an abbreviation of the currency, similar to USD for the United States Dollar. Other synonyms for the Vietnamese Monetary Unit include "Vietnamese currency" and "Vietnamese cash." It's important to note that using the proper terminology when discussing currency is crucial to avoid confusion, especially when traveling abroad.