The expression "common man" is a term used to refer to an average person in society. However, there are several synonyms that can be used to describe the same concept. One of the most frequently used synonyms for common man is "ordinary person." This phrase implies a lack of distinction or uniqueness. Other alternatives include the term "everyman," which implies universality, or the phrase "man on the street," which refers to the average person in a particular location. Other potential synonyms could include "the masses," "the people," or just "ordinary folks." All of these terms highlight the standard nature of the person in question without implying any particular talents or abilities.