The term "overclass" refers to a social class or group that holds superior wealth, privilege, and power in a society. While there are no direct synonyms for this word, various related terms can be used to describe similar concepts. One such term is "elite", which signifies a select group that possesses social superiority and dominates or influences society. "Upper class" and "moneyed class" also convey the idea of a wealthy and influential group. Additionally, terms like "ruling class" or "dominant class" encompass the notion of those who exercise control and authority over others. Though not interchangeable, these synonyms reflect the concept of an overclass in different contexts.