message board

American  

noun

1. a website or section of a website that is used for public discussion of a specific topic and on which users can submit or read messages.

   You should post your questions on a parenting message board and get support from other parents.

2. an online discussion group that is maintained on such a website.

   To participate in the message board, you must be a registered user.

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message board British  

noun

1. an internet discussion forum

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Etymology

Origin of message board

First recorded in 1990–95

Example Sentences

Meta’s internal message board is filled with posts from employees sharing new AI use cases they have found and new tools they have built using AI, according to people familiar with the matter.

From The Wall Street Journal • Mar. 22, 2026

Clicking on a message board can send you down a rabbit hole for hours.

From Salon • Nov. 26, 2025

“It kind of takes the joy out of cruising,” said one commentator on a Cruise Critic message board, speaking in particular about the $5 surcharge for additional entrees.

From MarketWatch • Oct. 16, 2025

After the operation was over, she began to post videos on her Instagram account and reported the incident on the building’s message board.

From Los Angeles Times • Jun. 13, 2025

Knowing most of those e-mails wouldn’t get through the spam filters, I also posted it to every gunter message board.

From "Ready Player One: A Novel" by Ernest Cline