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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.


message board British  

noun

  1. an internet discussion forum

"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 message board

First recorded in 1990–95

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.

See Examples For:

In this case, the idea dated back to an urban myth that emerged in 2019 as a post on the anonymous message board 4Chan.

From MarketWatch Jun. 1, 2026

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

The issue of big people and small airplane seats has long been tabloid fodder and red meat for message board posters.

From Los Angeles Times Feb. 3, 2026

However, online message board 4Chan has so far refused to comply with a £20,000 fine issued by Ofcom over the summer.

From BBC Dec. 4, 2025

Gunters had filled countless message board threads arguing about the meaning of the painting, about what the black dragon signified or whether it signified anything at all.

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

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