noun
poster
POHST
noun
1
A large printed picture or announcement, usually put up on a wall to decorate or advertise.
"He put up a poster of his favorite band above his bed."
"The gym is covered in motivational posters."
2
Someone who posts a message online, such as on a forum or social media.
"The original poster asked for advice, and dozens of replies followed."
How to Use Poster
Learner’s notesIn plain EnglishA big printed picture for a wall, or someone who posts something (usually online).
Common mistake
Context decides the meaning — a 'poster' on a wall is very different from the 'original poster' (OP) in an online thread.
Common pairings
put up a poster
movie poster
poster child
original poster
Word Forms
postered past tense, posters plural, posters plural, posters singular
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He put up a _____ of his favorite band above his bed.
Etymology
From post (in the sense of a notice fixed up in public) plus the agent suffix -er, meaning 'a thing or person that posts.'