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
- protagonism noun
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.
The novel’s narrator and protagonist is Adora Hazzard, a former writer for a comedy show that sounds a good bit like “Saturday Night Live.”
From The Wall Street Journal • Apr. 17, 2026
“Yesteryear” strays from this well-worn narrative with Natalie, a deliciously unlikable protagonist whose greatest flaw is her competence.
From Los Angeles Times • Apr. 7, 2026
Ronaldinho was a regular protagonist, so too Jay-Jay Okocha, inspiring wide-eyed kids and optimistic adults to attempt the same magic manoeuvres in playgrounds and sparsely-grassed pitches up and down the land.
From BBC • Mar. 24, 2026
In an early episode, protagonist Sophie finds a tip her missing sister scrawled on a container of Golden Pear body scrub that viewers can conveniently buy on the show’s microsite.
From The Wall Street Journal • Mar. 18, 2026
On the TV, Halliday guides his square protagonist into the game’s secret room, where the words created by warren robinett appear in the center of the screen.
From "Ready Player One: A Novel" by Ernest Cline
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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.