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Synonyms

poster

1 American  
[poh-ster] / ˈpoʊ stər /

noun

  1. a placard or bill posted or intended for posting in a public place, as for advertising.

  2. a large print of a painting, photograph, etc., used to decorate a wall.

    posters of street scenes.

  3. a person who posts bills, placards, etc.

  4. Digital Technology. a person who posts or submits an online message to a message board.

    The previous poster in this thread was off-topic.
poster 2 American  
[poh-ster] / ˈpoʊ stər /

noun

  1. post horse.

  2. Archaic. a person who travels rapidly.

poster British  
/ ˈpəʊstə /

noun

  1. a large printed picture, used for decoration

  2. a placard or bill posted in a public place as an advertisement

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of poster1

First recorded in 1830–40; post 1 + -er 1

Origin of poster2

First recorded in 1595–1605; post 3 + -er 1

Vocabulary lists containing poster

Lesson 6

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Additional Literary Terms, Unit 1

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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.

“I take a lot of things in stride,” adding that being “the poster boy for high ticket prices” is “the last thing you prefer to be. But that’s how it went.”

From The Wall Street Journal • May 6, 2026

“Fibermaxxing” is all the rage these days, and black beans are the poster child of the trend.

From Salon • May 5, 2026

ServiceNow was the poster child for the problem.

From Barron's • May 4, 2026

Meanwhile a poster signed by Lennon hours before he was shot dead in 1980 sold for £75,600.

From BBC • May 1, 2026

As if I can gather all my pain and anger and pour it into the poster, into my art.

From "A Place at the Table" by Saadia Faruqi and Laura Shovan

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.