A "five star general" is a term used to refer to the rank of a high-ranking military officer in many countries. It is a title that denotes the highest possible rank for a general officer. While the term "five star general" is widely recognized, there are several synonyms that can be used interchangeably to refer to someone who has achieved this prestigious position. Some of these synonyms include "general of the Army," "field marshal," and "admiral of the fleet." These titles are often specific to certain countries and military branches, but they all represent the same level of achievement, expertise, and authority within the military hierarchy.