Translation guide
A large printed picture or notice put up for display, or a person who posts online.
The learner wants to refer to a physical poster, such as a movie poster, advertisement, or decorative print.
The most common and direct translation for 'poster' in the sense of a printed sheet for display. Used for movie posters, event posters, advertisements, etc.
The learner wants to refer to someone who writes a post on a forum, social media, or comment section.
There is no single common word for 'poster' as a person. Instead, describe the action: 'the person who posted', 'the original poster', etc.
the person who posted
In English, 'poster' can mean both a printed sheet and a person who posts online. In Japanese, ポスター almost exclusively means the printed sheet. Using it for a person can cause confusion. Use descriptive phrases like 投稿した人 or 投稿者 instead.
壁に映画のポスターを貼った。
I put up a movie poster on the wall.
This poster is very colorful.
Refers to a posted notice or sign, often smaller and more text-heavy than a decorative poster. Used for announcements, warnings, or public notices.
There was a notice posted on the bulletin board.
A leaflet or flyer, often handed out or posted temporarily. Smaller and less formal than a poster, typically for advertising or propaganda.
They were handing out flyers for the concert on the street corner.
the original poster
Literally 'contributor' or 'poster'. Used in formal contexts like forums or article comments. Can sound stiff in casual conversation.
This poster is anonymous.
Sometimes used in online slang to mean 'poster' (a person who posts), but it's a loanword from English and may cause confusion with the printed poster. Not recommended for general use.
May be misunderstood as a physical poster. Use only in very specific online communities where this slang is established.
That poster always writes interesting things.