Dictionary.com
Thesaurus.com
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

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.

Supporters waved Egyptian flags and Palestinian flags in support of nearby Gaza, as well as a poster of coach Hossam Hossan draping both flags over himself during the tournament.

From Barron's • Jul. 10, 2026

“They’re armoring the shoreline with rocks and cement walls, sometimes without permits. And Quidnessett is the poster child.”

From The Wall Street Journal • Jul. 8, 2026

Napoli midfielder Billy Gilmour and Everton right-back Nathan Patterson are the poster boys from the system.

From BBC • Jul. 7, 2026

One quote from the book hangs on a poster board in my classroom: “A community’s first responsibility is to protect its children — the ones we have now and the ones we will have.”

From Los Angeles Times • Jul. 1, 2026

The poster included photos of Booth, Herold, and John Surratt, the most wanted men in the country.

From "Chasing Lincoln's Killer" by James L. Swanson

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "poster" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com