There are several synonyms used to describe a wealthy person. One of the most common synonyms for rich person is "millionaire," which denotes someone who has a net worth of one million dollars or more. Other synonyms include "billionaire," "tycoon," "mogul," "baron," and "captain of industry," all of which emphasize the individual's status and power.
Additionally, there are more casual synonyms for a rich person, such as "loaded," "filthy rich," "rolling in dough," and "living the high life." These terms are often used humorously or in a sarcastic manner to emphasize the extravagance and excess typically associated with wealth. Ultimately, there are countless ways to describe a rich person, and the choice of synonym often reflects the speaker's own attitudes towards wealth and privilege.