protagonist
Americannoun
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the leading character, hero, or heroine of a drama or other literary work.
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a proponent for or advocate of a political cause, social program, etc.
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the leader or principal person in a movement, cause, etc.
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the first actor in ancient Greek drama, who played not only the main role, but also other roles when the main character was offstage.
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Physiology. agonist.
noun
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the principal character in a play, story, etc
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a supporter, esp when important or respected, of a cause, political party, etc
Other Word Forms
Etymology
Origin of protagonist
First recorded in 1665–75; from Greek prōtagōnistḗs “actor who plays the first part,” literally, “first combatant,” equivalent to prôt(os) “first” + agōnistḗs “one who contends for a prize, combatant, actor”; see origin at proto-, antagonist
Explanation
A protagonist is the central character in a story: the protagonist of Huckleberry Finn is — guess who? — Huckleberry Finn. A novel, movie, or play might have many main characters, but it can really only have one protagonist — or maybe two in the case of, say, Romeo and Juliet. That's because protos means "first" in Greek, and agonistes means "competitor" or "actor." It can also mean a leading figure in a real-life situation: "Abraham Lincoln and Jefferson Davis were the protagonists of the U.S. Civil War." Don't use it to mean "a supporter of an idea or cause"; the word you're looking for in that situation is proponent.
Vocabulary lists containing protagonist
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
That scene contains a significant Easter egg, by the way – Greg’s new book is his first to feature a female protagonist.
From Salon • May 11, 2026
Strout has meticulously constructed these worlds in linked short stories and novels, set in imaginary small towns such as Crosby, Maine, and Amgash, Ill. With Artie Dam, she has chosen a new protagonist and setting.
From Los Angeles Times • May 5, 2026
His 2009 novel Jasper Jones - a coming-of-age story featuring a 13-year-old boy as its protagonist - garnered several awards in Australia and was shortlisted for the International Dublin Literary Awards.
From BBC • May 5, 2026
But funding a nongambler’s entrance into the gambling world as a kind of comedic protagonist not only puts the writer at risk but also flattens the seriousness of the story’s subject.
From Slate • May 5, 2026
As the play’s protagonist concedes, the pupils of Unjust Discourse are the occupants of all the positions of power and eminence in the city.
From "Words Like Loaded Pistols" by Sam Leith
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.