bulletin board

American  

[bool-i-tn bawrd, -tin] / ˈbʊl ɪ tn ˌbɔrd, -tɪn /

noun

1. a board for the posting of bulletins, notices, announcements, etc.

2. Also called bulletin board system.  Digital Technology. BBS

   1. an online collection of electronic messages, posted by and accessible to any authorized user.

   2. a system, facility, or computer server for collecting and relaying these messages.

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bulletin board British  

noun

1. Also called (in Britain and certain other countries): notice board.  a board on which notices, advertisements, bulletins, etc, are displayed

2. computing a facility on a computer network allowing any user to leave messages that can be read by any other user, and to download software and information to the user's own computer

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bulletin board Scientific  

/ bl′ĭ-tn /

1. An electronic communication system that allows users to send or read electronic messages, files, and other data that are of general interest and addressed to no particular person. Bulletin boards were widely used before the Internet became popular, and many of their functions are now served by websites and newsgroups for specific topics or groups.

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bulletin board Idioms  

1. Also, electronic bulletin board. A computer service that provides facilities for people to leave messages by phone or telecomputing. For example, The National Writers Union has a bulletin board through which members communicate via their modems. Both the device and the term, alluding to the older board for posting notices, date from the late 1970s.

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Etymology

Origin of bulletin board

An Americanism dating back to 1825–35

Example Sentences

However, online bulletin board Pinterest saw fit late last year to begin allowing users to filter out some AI-generated content.

From Barron's • Jan. 29, 2026

They did so by using online bulletin board systems, or BBSes, a precursor to the internet.

From Salon • Dec. 8, 2025

A photo of his storied office bulletin board on which moveable, color-coded index cards of show sketches are easily re-arranged offers a glimpse of how this works.

From The Wall Street Journal • Nov. 3, 2025

When given the chance to walk back an answer that would almost surely end up as bulletin board material, Mack doubled down.

From Los Angeles Times • Nov. 26, 2024

After my mom had to race back to work, I found Calista’s phone number on the list of emergency contacts on the bulletin board in the kitchen.

From Absolutely Almost by Lisa Graff