- The definition of a deuteragonist is the second most important character after the protagonist.
An example of a deuteragonist is a superhero's leading lady.
deuteragonist definition by Webster's New World
Origin: Classical Greek deuteragōnistēs: see deutero- and amp; agonize and amp; -ist
deuteragonist definition by American Heritage Dictionary
Origin: Greek deuteragōnistēs, an actor of second-class parts : deuteros, second; see deu-1 in Indo-European roots + agōnistēs, actor; see protagonist.